what is gsm

Wireless Desktop Phone FM Radio SMS Phone Book Product Description LS931 is fixed wireless phone is a new wireless telephone, Wireless Phone c...

... Signal Booster is the perfect solution for boosting your cellular signal in any location. This cellular amplifier is a powerful network...

... / GPS watch, burglar alarm, car alarm, telemetry boxes, POS terminals, remote Metering, Outdoor Antenna Features: • PASSIVE GPS combined wi...

...CELLULAR RTU With 4DI & 4DO, remote monitor industry system via sms RTU, 3G sms gateway, 3G untit,3G controller,3G alarm module, 3G re...

... body, this antenna can be bended for 90 degrees. GPRS Antenna Description: Material: Plastic Color: Black Or Blue Or Warm White Frequency: GPR...

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... to the Global System for Mobile (Global system for mobile), which is a global communication standard for mobile devices. antennas are mainly u...

... Communication Antenna 1. Cable Type :rg178,rg136,rg58,rg1.13.rg1.37 2. Working Voltage:DC 2.0V - 5.0V 3. Center Frequency:10mA-30mA 4. Output I...

CWT5010 SMS RTU controller, RTU, remote controller Support 3g version CWT RTU List: CWT5005 has 2 digital inputs and 2 digital outputs...

... Neckloop and earpiece - that're all you need. Features of Neckloop · Two way covert communication via mobile phone networks · Optimized ind...

...Wireless"Ding Dong"doorbell 3.Dual Network:/PSTN auto switch PSTN Alarm System Outstanding Features: 1.With Touch Keypad. 2.Door Chime funct...

...-10SQ (Circular Cutter for Textile & Printing) Brand: INTEKE | Model: -10SQ | Cutting Area: 10 cm² ● Precision Cutting | ● Easy to Use | ...

... Hunting Camera Night Vision Outdoors Stealth Cam Key features 1. Lens:FOV=50° 2. Video Resolution: 1080P/720P/VGA 3. Image resolution: 12MP...

... covers with frequency and also GPS band. The connector can be customized like SMA connectors with long cables or others like IPEX/U.FL. a). GP...