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| | Wireless GSM SIM Card Anti-theft Surveillance Monitor(Black) $13.81 - Insert a GSM SIM card and put the monitor at hidden place,it is easy to use - Small size and will not be easily found - Battery last for lognter time - Operation step: Insert the GSM card : insert the GSM card into the monitor Make sure the GSM card is connect well: dia the GSM card number Aim the monitor where you want to Moni Repeat |
| | X2 Wireless Callback GSM SIM Card MIni Anti-theft Surveillance Monitor(Brown) $22.38 - Insert a GSM SIM card and put the monitor at hidden place,it is easy to use - Small size and will not be easily found - Sound control that if there is sound it will callback to you and let you know what happen to your home,office, car and so on - Battery last for lognter time - Operation step: Insert the GSM card : open the back cover and insert the GSM card Make sure the GSM card is connect well: dia the GSM card number Aim the monitor where you want to Moni Repeat ? |
| | 007 Wireless Callback GSM SIM Card Anti-theft Surveillance Monitor(Black) $23.45 - Insert a GSM SIM card and put the monitor at hidden place,it is easy to use - Small size and will not be easily found - Sound control that if there is sound it will callback to you and let you know what happen to your home,office, car and so on - Battery last for lognter time - Operation step: Insert the GSM card : open the back cover and insert the GSM card Make sure the GSM card is connect well: dia the GSM card number Aim the monitor where you want to Moni Repeat |
| | Two way GSM bug Mouse Type GSM SIM Sound Monitor - Mini GSM Voice ear Bug $24.22 Two way GSM bug Mouse Type GSM SIM Sound Monitor - Mini GSM Voice ear Bug |
| | GSM SIM Phone Device Wireless Surveillance Ear Bug $19.99 wireless GSM device GSM listening device GSM surveillance Small and easy to use GSM mobile tracking |
| | HTC Touch Diamond (GSM) Spare Battery Charger $16.99 HTC Touch Diamond (GSM) Spare Battery Cradle Charger - Do you have a spare battery that needs to be charged? Our HTC Touch Diamond (GSM) spare battery cradle charger is your solution! Order this convenient spare battery charger for your HTC Touch Diamond (GSM) phone and we'll ship it to your home or office for FREE! With every purchase at Wireless Emporium your satisfaction is GUARANTEED. ORDER NOW! |
| | GSM Remote Camera $180 Uses GSM card that sends MMS image supported by mobile phones with color display or to an email addressRemote control: controls and Configures the camera and SMS command from mobile phoneReal time audio: Just call the camera number (SM Card) to listen to voicesMotion detection: Detect any motions within the monitoring area and make alarm through multiple waysSensor detection: allows connection up to 15 sensors such as door magnet sensor, infrared body sensor, smoking sensor, gas sensor, etc. (one a sensor is activated it will notify the user by SMSInfrared light: Eve in dark environment, camera can get clear image with the built-in infrared LED lightsSpecial Camera: 300,000 pixel CMOS camera gets clear image for MMSSend images to mobile: The camera can send MMS images to pre-set e-mail and you can check the image in your e-mail anytimeMultimode alarm: Camera can send alarm messages by SMS, MMS, e-mail or standard phone-callTimed monitoring: Monitor schedule can be set flexibly with multiple time-intervalsEasy installation: Wireless connection thus it can be placed anywhere you wantAccessory: Includes 2 remote controls for manual operation with on/off and panic buttonBuilt-in lithium battery: Rechargeable battery ensures operation in case of external power failure.Download user manual: Manual can be downloaded anytime using SMS commandIntegrated infrared detectorProduct accessories:1x Remote camera host2x Remote controls1x Power adapter (5.5V/1A)1x base board1x User manualSpecifications:Power adapter: input: 100V to 240 V/50Hz, output: 5.5 V DCWork temperature: negative 10 degrees Celsius to positive 45 degrees CelsiusStore temperature: negative 20 degrees Celsius to positive 60 degrees CelsiusRelative humidity: 10-90 percent without condensationWorking band: EGSM900, DCS1800 (GSM850, PCS1900 optional)Communication protocols: GSM phase 2.2 positive (including data operation)Wireless sensor receiving code: ASKWireless sensor receiving band: 433MHz or 315MHzMax wireless sensor: 15 unitsRemote control receiving band: 433MHz or 315 MHzEffective distant of the remote control: 20 meters (wide area)Image format: JPEGImage resolution: 160x128, QVGA320x240, VGA640x480Camera pixel: 300K pixelCamera shooting angle: 70 degreesBest shooting distance at night: Less than 8 metersLithium battery 800mAhBattery standby time: 19-35 hours (affected by network)Weight: 582gDimension: 122*74*41mm |
| | USB Mouse Triband GSM Bug Voice Monitor $34.21 USB Mouse GSM Monitior,Triband (900/1800/1900 MHz),Optical mouse,USB Mouse Voice Monitor |
| | Wireless GSM SIM Phone Device Surveillance Ear Bug $20.41 GSM TRACKER GSM listening device GSM surveillance Small and easy to use |
| | Motorola EX119 Unlocked Dual SIM GSM Phone $114.99 Motorola EX119 Unlocked Dual SIM GSM PhoneThe Motorola EX119 features good looks and practical smarts. Sports a vibrant touch screen display, full QWERTY keyboard, dual SIM support and an ultra-slim design. Surf the Web with the full HTML browser or connect to wireless networks via advanced Wi-Fi capabilities.This brand-new Motorola EX119 is unlocked and ready to use on networks supporting GSM 850/900/1800/1900 MHz frequencies. |
| | Large Neoprene Pouch for HTC Touch Diamond (GSM) $9.99 This handsome neoprene pouch offers superior protection for your HTC Touch Diamond (GSM) without sacrificing style. A combination of premium materials and quality construction ensures maximum durability. Designed in the U.S.A! Remember - Wireless Emporium stands by the quality of our cases with an unconditional 100% SATISFACTION GUARANTEE. ORDER NOW! |
| | Samsung GT-E2530 Unlocked GSM Phone, La'Fleur Edition $79.99 Samsung GT-E2530 Unlocked GSM Phone, La'Fleur EditionThe Samsung GT-E2530 is a stylish clamshell device featuring quad-band GSM connectivity, a vibrant 2-inch display, built-in 1.3 MP camera/camcorder, Bluetooth technology and more!This brand-new Samsung GT-E2530 is unlocked and ready to use on GSM networks supporting 850/900/1800/1900 MHz frequencies. |
| | Sagem Puma Unlocked GSM Smartphone $99.99 Sagem Puma Unlocked GSM SmartphoneThe Puma Phone is an active smartphone. Beyond internet, messaging, and GPS localization capabilities, solar charging, video calling and Bluetooth photo sharing are all designed to make the device engaging and responding to consumers requirements. The spin and scratch music player and integrated radio make the device a connected companion. Designed around an active lifestyle, its sleek shape factor makes it a wearable fashion accessory.This brand-new Sagem Puma Phone is unlocked and ready to use on networks supporting GSM/GPRS/EDGE 850/900/1800/1900 MHz and UMTS 900/2100 MHz frequencies. |
| | GSM Wireless Home Security System Alarm Auto-Dial 24 Wireless Zone $178.97 Home safety is something that is extremely important to most homeowners. One way to ensure this safety of loved ones would be through home alarm systems. Depending on the type of home and level of security that is desired, these can be quite varied in their style and configuration.Home alarm systems that have a high degree of customization will allow the homeowner to set things up exactly as he desires. With more basic home alarm systems, there will be fewer options but the advantage may be the simplicity and cost effectiveness.This GSM Wireless Home Security System Alarm Auto-Dial 24 Wireless Zone is suitable for most homes small or big. It offers the type of security needed by most home owners and the best thing about it is the simplicity of use and cost effectivness. Specification24 wireless zones amp; 2 wired zones. Support English/Russian voice reminderCan connect wireless emergency button, wireless PIR sensor, wireless door/window contact, wireless smoke detector, wireless gasleakage detector, wireless glass-vibrating sensor etc.Each wireless zone can match numberless wireless sensorsWith LCD display and control keyboard on the mainframeCan send SMS to 3 preset mobile phone numbers and auto-dial 3 preset phone numbers while alarmingCan you listen what happened in the alarm area while alarmingCan monitor AC power status with function of password protection, this system will send SMS to mobile phone while AC power is not okWith function of arming at fixed time /partial arming/disarmingControl the alarm system by Control keyboard ,remote control or SMSModify wireless zones' name and check the system status by SMSDefine the wireless zones as arm/partial arm by control keyboard on the mainframeSwitch to backup rechargeable battery when the power fails or cut by intruderWireless emergency function (24 hours zone):can press the button to alarm immediately to get help in case of emergencyWireless signal transmission, and don't fear cutting wire by the intrudersCan send alarm signals to monitoring center through GSM network, such as the police stationWay of arm/disarm: remote controller, SMS, Keypad, fixed-timeTwo-way talkback functionHave the function of voice record for 10 secondsHave the function of alarming and preventing ill eagle dismantleAdditional FeaturesOutput power: DC12VInput power: AC110V to 220V,50Hz or 60 HzWorking hours of standby Battery(DC7.4V):More than 15 hoursWireless frequency for above accessories:433MHZIncludes:One alarm host (main unit)Four Wireless door/window magnetic contactFour PIR sensorFour remote controllersOne Smoke DetectorOne Gas DetectorOne siren(More than 110DB)One AC adapter One English user manual |
| | GSM remote control switch box $73.68 The GSM-RELAY is a wireless gsm remote control switch that connects to the GSM cell phone network. |
| | LG Arena GT950 Unlocked GSM Phone $139.99 LG Arena GT950 Unlocked GSM PhoneWith its superior touchscreen capabilities, animated 3D screen interface and reel scrolling, the LG Arena gives you easy access to everything with just a tap of a finger. Take crystal clear photographs with the impressive 5.0 MP autofocus camera, or showcase the talents of your family and friends. Go ahead, jump into the spotlight with LG Arena!This device is unlocked and ready to use on any GSM network. |
| | LG GM310g Unlocked GSM Slider Phone, Orange $99.99 LG GM310g Unlocked GSM Slider Phone, OrangeThe GM310g by LG features a vertical sliding design, 2.2-inch TFT-LCD display, 3 MP autofocus camera, stereo Bluetooth (version 2.1), 3.5mm headset jack, microSD memory port and WAP 2.0 browser.This brand-new LG GM310g is unlocked and ready to use on GSM networks supporting 850/900/1800/1900 MHz frequencies. |
| | Samsung Star GT-S5230 Unlocked GSM Phone, White $109.99 Samsung Star GT-S5230 Unlocked GSM Phone, White The sleek Samsung Star GT-S5230 features a vibrant 3.0'' WQVGA touchscreen display, Bluetooth wireless technology, 3.2 MP digital camera, microSD memory port and more! UNLOCKED: Operates on any GSM network world-wide. No contract required to purchase this phone. Ready for activation with any existing or new service! |
| | Samsung Shark 3 GT-S3550 Unlocked GSM Phone $99.99 Samsung Shark 3 GT-S3550 Unlocked GSM Phone The sleek Samsung GT-S3550 phone features a vibrant 2.0'' display, Bluetooth wireless technology, 2 MP digital camera, microSD memory port and more! UNLOCKED: Operates on any GSM network world-wide. No contract required to purchase this phone. Ready for activation with any existing or new service! |
| | Samsung GT-C3300i Champ Unlocked GSM Smartphone, Silver $89.99 Samsung GT-C3300i Champ Unlocked GSM Smartphone, Silver The sleek Samsung GT-C3300i Champ touchscreen phone features a vibrant 2.4'' full touch display, Bluetooth wireless technology, 1.3 MP digital camera, microSD memory port and more! UNLOCKED: Operates on any GSM network world-wide. No contract required to purchase this phone. Ready for activation with any existing or new service! |
 | PiSector Cellular GSM Quad-Band Home Security Alarm System Pack, Auto Dial, LCD Display, 433MHz List Price:  |
Description7 wired and 99 wireless defense zones;LCD screen with time clock display 3 groups of timely arm and disarm;Call 6 phones and send SMS to 3 numbers 10-second automatic message recording;Voice prompt for main unit & remote operations Built-in artificial intelligent English message The main unit can be used as a telephone Arm, disarm, monitor, and intercom by phone Real-time, Delay, 24 hours, Bypass defense zones program One-key-control: all the settings can be finished by keypad Built-in NI-HI battery, AC-DC shift, automatically recharge Technical Parameters Input Voltage: DC12V/1A Standby Current: |
 | Auto Dialer Security and Safety Alarm List Price: |
DescriptionMount 5 to 6 ft above the floor. Dimensions: 3 3/16 x 6 x 1 1/2 inches |
 | DIGITAL SECURITY CONTROLS DSC GS3060-USA GSM ALARM COMMUNICATOR |
DescriptionDescription: The GS3060 connects the alarm control panel to the GSM network and reports alarm signals directly to a monitoring station receiver (Sur-Gard System II/System III). The GS3060 uses the GPRS data channel of the GSM network to ensure low-cost, high-speed and reliable alarm communications and is compatible with control panels that communicate using the Contact ID format... |
 | LG 500G Prepaid Phone (Tracfone) List Price: |
DescriptionLG LG500G Tracfone with Double Minutes for Life |
 | Garmin GTU 10 GPS Tracking Unit List Price: |
DescriptionTrack What's ImportantGTU 10 is a GPS locator that bines a web-based tracking service with GPS technology so you can keep watch on children pets and property.How It WorksThe GTU 10 is small lightweight and waterproof... |
 | Dell GX280 Tower Computer (2.8 GHz Intel Pentium 4 Processor, 1 GB RAM, 40 GB Hard Drive, DVD Optical Drive, Windows XP Professional) |
DescriptionDell Optiplex GX280 Tower Computer.The OptiPlex GX platform is designed for business and individuals that are focused on affordable pricing coupled with top-level performance. This Dell Optiplex GX280 Tower Computer comes running an Intel Pentium 2... |
 | Viewsonic V7X_1RNA2US3_01 ViewPad 7-Inch Android 3.2 Honeycomb Tablet |
DescriptionTablets, Viewsonic, V7X_1RNA2US3_01, V7X_1RNA2US3_01 |
 | BoxWave Bubbles HTC Hero (GSM) Crystal Slip (Smoke Grey) List Price: |
DescriptionStylish, unique, and functional. BoxWave's Bubbles Crystal Slip for the HTC Hero (GSM) is an ultra low profile rubberized case that slips and grips onto your HTC Hero (GSM). Precision constructed with anti-slip and cushioned material, the Bubbles Crystal Slip case provides reliable protection from accidental bumps... |
 | Koolertron (TM) Micro Spy GSM Listen, Audio Bug Surveillance Device (Remote Bug Monitoring) |
DescriptionDescription: Simply insert a GSM SIM card of your desired phone number inside for the bug |
| Koolertron Micro Spy GSM Listen, Audio Bug Surveillance Device (Remote Bug Monitoring) |
DescriptionDescription: Simply insert a GSM SIM card of your desired phone number inside for the bug |
 | Fuloon Autodial Wireless Home House GSM Security Burglar Alarm System F87 List Price: |
DescriptionDescription: No need the fixed telephone line,everywhere have GSM frequency is suitable to GSM Alarm Module Operating voltage: DC6V |
 | ECOMGEAR(TM)Realtime GPS GSM GPRS Tracker Global Navigation Track Child Pet Car Elderly Waterproof |
DescriptionFeatures Overview: Microphone Built-in: Track the person and listen in on their conversation SOS button send out exact location for immediate rescue/action Support location triggered by tracker and authorized cell phone Support alarm and remote monitor Compact size, and smaller than name card, easy to carry, hold and hide Technical Specification Net Weight: 50g GPS accuracy: 5m Network: GSM/GPRS GPS Chip: SIRF3 Chip GPS Sensitivity: -159dBm Band: 850/ 900/1800/1900Mhz Dimensions: 64mm x 46mm x 17mm (1... |
 | New-TR-203 Personal Tracker - USG-TR203-TK |
DescriptionGS Traq universal trackerHigh sensitivity GPS chipsetCombination of GPS and GSM/GPRS wireless networkQuad-band GSM(850/900/1800/1900MHz) and GPRS class 10Built-in buffer storage and data logger capabilityPosition tracking function: locate with present time interval or one time report via SMS or GPRSSOS button for emergency rescue and actionLow power alarm by SMS/GPRSBuilt-in vibratorVoice monitor functionPreset/ customized geo-fence zonePackage contains AC charger, USB cable, carry bag, utility CDUSGT203TK |
Wireless Monitor Alarm System Based on GSM 1
Internet Alarm Monitoring
Demise of the Public Switched Telephone Network
For decades, PSTN has been the chosen communication platform for the transmission of alarm signals. Today, many are predicting its days are numbered. Two transmission paths have emerged as the preferred methods of communication between an alarm panel and Monitoring Centre - IP (the Internet) and GSM. This article will examine the pros and cons of each.
GSM Wireless Networks
In today’s high tech world, almost everybody owns a mobile phone. The perception is that GSM networks are very reliable and rarely suffer from network outages. This makes GSM a viable platform for alarm communications and three different technologies can be employed for signal transmission - SMS, Voice and Data. The reliability of SMS varies greatly from country to country and delays in message delivery rule it out from being considered a serious option in countries where messages can often be delayed for many hours. In countries that do not experience such delays, SMS can be a good low cost method of alarm communication, however, it is often not popular with alarm monitoring companies as it opens up the possibility of self monitoring where messages can be sent directly to the end users mobile phone.
The use of a GSM Dialer/Communicator allows an alarm panel modem to dial out and make a phone call to the Monitoring Centre over the GSM network. When a conventional analogue alarm receiver answers the call, an audio/voice channel is opened up and the alarm panel can communicate with the receiver just as it would over a PSTN line. This technology benefits from being alarm protocol independent and industry
experts claim a transmission success rate of somewhere between 80% and 100%.
PROS: Both SMS and Voice benefit from low equipment costs and low network rates.
CONS: SMS and Voice technologies do not allow for the cost efficient supervision of a connection to the Monitoring Centre and often the first anyone gets to know about sabotage or network failure is when a scheduled signal, or worse, an emergency signal fails to arrive.
GPRS Wireless Networks
The use of a GPRS data plan overcomes this problem and allows constant supervision of the connection between the protected premises and the Monitoring Centre. A GPRS device uses the GSM network to achieve an 'always on' wireless connection to the Internet. Once connected, it can communicate using Internet Protocols (IP) just like any other Internet enabled device. This allows the sending of regular heartbeats to the monitoring server so that any equipment failure, sabotage or loss of network can be detected within seconds.
GPRS devices do not support audio/voice communications, so any alarm signals using standard protocols such as Ademco Contact ID or Fast Format have to be converted from analogue to digital within the device itself. This is referred to as Dialer Capture. GPRS enabled devices are more expensive than SMS and Voice devices and the cost of data plans vary widely from country to country. Asian countries tend to have very reasonable rates whereas rates in North America are very restrictive.
CONS: All of the GSM technologies are vulnerable to sabotage from a GSM Jammer which can be
used to prevent devices from connecting to the network.
IP Networks (the Internet)
Due to the widespread availability of the Internet, a large number of consumers are turning to voice over IP for voice service. For the continuity of clear telephone calls from human to human it’s a simple case of unplugging your analogue telephone handset from the PSTN line and plugging it into an analogue terminal adapter to make and receive calls over the Internet. The human ear is very forgiving and even though delays and echo in voice conversations can sometimes be off-putting, both parties are usually able to understand each other.
Unfortunately, this is not the case with alarm communications. Somewhere between converting analogue into digital, traveling over the wire and converting digital back to analogue, things like noise and latency are introduced and along with other problems with VoIP networks, can cause alarm communications to fail.
An in depth knowledge of alarm panel protocols, alarm receivers and Internet protocols has made it possible for some solutions providers to allow the use of regular low cost 'off the shelf' VoIP ATA’s for the reliable transmission of alarm signals over the Internet. This obviously provides huge cost benefits to both installers and end users as devices can be sourced locally and existing Internet connections can be utilized as the transmission path.
It should be noted that these solutions do not use or rely on the services of a VoIP service provider. A fully controlled connection direct from the VoIP ATA device to the monitoring server effectively creates a private network.
CONS: All fixed wire IP solutions are subject to sabotage from line cut which prevent devices connecting to the network.
Dual Path Signaling
Even trusty old PSTN was not immune from network failure and was definitely prone to line cut attacks. The line cut vulnerability has been removed with the supervised connections incorporated by IP and GPRS solutions but it is clear that even they cannot guarantee 100% network uptime.
With this in mind, many consumers refuse to rely 100% on a single transmission path and insist on a secondary backup path. There are several combinations that can be used to provide a dual path solution with different levels of security. The lowest level dual path solution is provided by using a combination of PSTN and GSM. As PSTN continues to decline and neither path allows for cost efficient network supervision, this is not a future-proof option.
A more popular combination for cost sensitive applications is the use of the Internet as the primary path and GSM Voice as the secondary path. The Internet path benefits from network supervision and the GSM path can take over if the primary path fails. Certain model VoIP ATA’s used in conjunction with GSM dialer have the ability to send signals over the Internet when a panel dials the primary telephone number and over the GSM network when it dials the secondary telephone number.
A similar level of security can be provided by using GPRS as the primary path and PSTN as the secondary path. Some solutions providers claim a dual path capability by using GPRS as the primary path and GSM Voice or SMS as a secondary path. Others claim dual path capability by using two GPRS SIM cards. These claims are somewhat misguided as a GSM jammer will effectively prevent all communications over the GSM network regardless of which method is used. GSM can only ever be treated as a single path even though it allows for 3 different methods (SMS, Voice & GPRS) of transmission.
High security applications demand two independently supervised transmission paths and this is usually achieved by using the Internet as the primary path and GPRS as the secondary path. Both are fully supervised, so even if the primary Internet path fails the system is left with a supervised alternative path.
Some solutions providers claim that by using a combination of broadband Internet, GPRS, GSM, PSTN and Dialup Internet their product supports 5 paths. As both broadband and Dialup Internet generally depend on the availability of a PSTN line and GPRS depends on a GSM connection a more accurate claim would be that such a solution can use 5 different methods of communication over two independent transmission paths. A dual path solution with bells and whistles.
Remote Programming and Audio Verification
If it is important for your company to retain the ability to remotely program control panels or to open up a two way audio connection to the monitored site then you should carefully consider which of the above mentioned solutions you chose.
It is not possible to open up an audio path using GPRS. It is possible using GSM voice and PSTN, however, both usually attract call charges. You should check that the solutions provider supports both client and server initiated remote programming connections to the panel.
Some control panel manufacturers allow remote programming over the Internet but this method is proprietary and restricted to their particular brand. The preferred universal method is to use an audio connection over the Internet from a solution that incorporates a VoIP ATA as the primary transmission device. Such devices have the ability to reliably transmit alarm signals, allow operators to have two way voice conversations and allow Alarm Companies to remotely program any make of alarm panel over the Internet.
Summary
The cost and availability of the various networks, existing equipment and infrastructure, insurance requirements and other concerns may ultimately determine which solutions you chose to migrate from the analogue to digital world. My hope is that this article has helped cover some of the more technical aspects of the decision making process and makes your transition as smooth as possible.
About the Author
Steve Nutt is the owner of an Internet Alarm monitoring service for both home security and medical alert systems.
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