Top Gsm Power Amplifie Reviews

RedTagCanada SIM900 Quad Band GSM GPRS Quad-Band Modules 2G Shield Development Board for R3 Mega with Antenna for Arduino SCM & DIY Kits

...ation or Wireless Sensor Network.Vehicle tracking system with a GPS module.Good to learn GSM / GPRS mobile phone development, control development of remote equipment, wireless meter reading, smart appliances, ultra long distance control, etc..
Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced.
Power jack - connected to external 4.8~5VDC power supply, Antenna interface - connected to external antenna, Serial port select - select either software serial port or hardware serial port to be connected to GPRS Shield.

Check Stock

Sports Car Model F15 Mini Flip Phone Dual SIM Card Flashlight MP3 Backup Phone Best for Kids Students (Red)

Network Support: GSM 850/900/1800/1900MHz, Can work worldwide.Must use the Sim card Which Supports GSM,Like T-Moblie, Lycamobile, Speedtalk, Ting GSM, Simple Mobile or any other carrier that provide 2G GSM Sim Card (Select Pre-paid SIM Card). Will NOT work with AT&T and any CDMA Carriers like Verizon, Sprint, Boost, PagePlus.
Dual SIM Card Dual Standby,Battery Capacity :800mAh - Before turn on the phone need tear off the stick from battery..
Single Camera, 0.3MP camera, up to 640 x 480 pixels resolution.
Other Feature:calculator, calendar, camera, recorder, alarm, etc/ ATTENTION:Please Remove The Small Sticker On The Battery Before Using, Or It Can't Power On..
Languages: English,Russian,Arabic, Portuguese, Deutsch,French,Spanish,Greek, Hebrew.

Check Stock

Caterpillar CAT S31 Dual-SIM 16GB Rugged IP68 Factory Unlocked 4G/LTE Smartphone (Black) - Latin American Version

Package Content : CAT S31, Micro-USB cable , USB power adapter , Documentation (if any, may come in foreign language). This is International version, NOT FOR CDMA Carriers i.e. VERIZON, SPRINT, BOOST, VIRGIN. This Unlocked Phone is compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and other selected prepaid carriers)..
Qualcomm MSM8909 Snapdragon 210, Quad-core 1.3 GHz Cortex-A7.
16GB Storage, 2GB RAM, microSD Card slot, up to 64GB.
4.7" inch, TFT capacitive touchscreen, 720 x 1280 pixels, Corning Gorilla Glass 3.
SIM CARD 1 ( 2G GSM 850 / 900 / 1800 / 1900 and/or 3G 850(B5) / 900(B8) / 1900(B2) / 2100(B1) and/or 4G LTE 800(B20) / 850(B5) / 900(B8) / 1800(B3) / 1900(B2) / 2100(B1) / 2600(B7) ) and SIM CARD 2 (2G GSM 850 / 900 / 1800 / 1900).

Check Stock

ICP DAS GTM-201P-3GWA Industrial Tri-Band 3G/GSM/GPRS WCDMA Cellular Modem with GPS Function

Applications:Remote Data Monitoring and Control, Water, gas and oil flow metering and schedule, Power station monitoring and control, Oil field, weather forecast, environmental protection, street lamp monitoring and control, Fleet management, Vending Machine, etc..
Industrial design, making it a reliable cellular solution for data collection and transmission.
Reliable GSM/GPRS/EDGE/UMTS/HSPA network connectivity, providing fast and cost-effective long-range wireless applications.
Quad-band GSM/GPRS/EDGE 850/900/1800/1900 MHz.

Check Stock

Dual Band GSM Modem with Wavecom Q2406B Module Wireless at Commands Data SMS

(4)Working Frequencies: GSM/GPRS 900/1800Mhz..
(5)Packing List:1x Modem, 1x Serial Cable,1x Power Adapter,1x Antenna..

Check Stock

Dual Band GSM Modem with Wavecom Q2406B Module at Commands SMS 900/1800Mhz

(4)Working Frequencies: GSM/GPRS 900/1800Mhz..
(5)Packing List:1x Modem, 1x Serial Cable,1x Power Adapter,1x Antenna..

Check Stock

GSM Alarm System, Mini Home Security Wireless SMS SIM Call ,6 Preset SMS Alert Messaging for Door Magnetic Switch, Infrared Sensor, Gas Detector, Temperature Measuring

1. One way GSM SMS alarm, which can be connected with external rechargeable batteries (not included) for power failure alarm. When any alarm input is triggered, it will send SMS alarm messages to up to 6 preset mobile phones..
2. The input of GA01P is a switch signal. When the input port is short-circuited with the ground wire (GND), GA01P will send an alarm message to the preset alarm phone, or call the set alarm number. The content of the alarm message can be set by yourself..
3. DC5-15V power input, an alarm voltage output, can be used for siren, can use text custom alarm SMS, very smart and slim gsm design box, can be easily installed on other target system boards, add gsm alarm function ..
4. It can be widely used to connect different sensors. Such as door magnetic switch, infrared sensor, gas detector, water level sensor, temperature measuring device..
5. After you purchase this product, if you are dissatisfied with this product, or if you don't know anything about this product, please feel free to contact us and we will do our best to answer you..

Check Stock

SHIDU Voice Amplifier with UHF Wireless Microphone Headset, Portable Mini Loudspeaker Oirginal Voice Amp 10W 2000mAh Rechargeable System for Teachers, Our Guides, Outdoor Trainers, Coaches, Classroom

¡¾Wireless Voice Amplifier¡¿ SHIDU Original Voice Amplifie, Amplifies your voice and saves your throat when you have a difficult time speaking loudly enough. Delivering 10w clear and soft sound to cover about 10000 sq.ft (1000 O)..
¡¾Portable Voice Amplifier¡¿SHIDU S611 wireless voice amplifier is a portable public address system. You can take it to multiple locations such as classrooms, bingo calling and outdoors. A big help in speaking to 50+ members in your group. It is a best thing for teachers..
¡¾Rechargeable Voice Amplifier¡¿Rechargeable voice amplifier built-in a 2000mAh big lithium battery, you can use it for 12 to 15 hours (MIC mode), 8 to 10 hours (musical mode) with a fully charged battery. Amplifier charge takes 3-5 hours, mic charge takes 2-4 hours..
¡¾2 in 1 Comfortable Wireless Micriphone Headset¡¿Comes with comfortable UHF Wireless Microphone, can stay on your head well, doesn't dig into your scalp or you could also serve it as a handheld microphone after removing the ear hook. Up to 150ft transmission distance, you don't have to carry the voice amplifier..
¡¾100% Refund Guarantee¡¿ - We promise that you can purchase with confidence for our wireless voice amplifier, if we can't make it right and you are not satisfied ....

Check Stock

Dual Band GSM Modem with Wavecom Q2406B Module at Commands Data SMS 900/1800Mhz

(4)Working Frequencies: GSM/GPRS 900/1800Mhz..
(5)Packing List:1x Modem, 1x Serial Cable,1x Power Adapter,1x Antenna..

Check Stock

Thustar Professional Wireless Home Office Security System Remote Control Intelligent LED Display Voice Prompt House Business GSM Wireless Burglar Alarm Auto Dial Outdoor Siren

...d) to call/send alert message, you can choose one of two ways or use all of them. The whole system complete with fully programmable main unit and wireless sensors. Before using, please kindly read user’s manual.
The alarm panel built-in AAA Ni-Hi rechargeable battery that can last about 8 hours (In the case of power off, the host can continue to work for 8 hours). Door/Window contacts detect any forceful break-in, passive motion sensors detect any suspicious movement or activity, loud, small wired siren up to 110db alarm alerts neighbors and deters potential intruders.
Defense Zone Support: Allow up to 99 wireless defense zones and 8 wired zones, 5 groups of scheduled arm/disarmed function.
2 wired siren for different size houses as you need.
DIY home security, tool-free setup and assembling, plug and play installation.

Check Stock

Dual Band GSM Modem with Wavecom M1306B Q2406B Module Wireless at Commands Data SMS

(4)Working Frequencies: GSM/GPRS 900/1800Mhz..
(5)Packing List:1x Modem, 1x Serial Cable,1x Power Adapter,1x Antenna..

Check Stock

Dual Band GSM Modem with Wavecom M1306B Q2406B Module at Commands SMS 900/1800Mhz

(4)Working Frequencies: GSM/GPRS 900/1800Mhz..
(5)Packing List:1x Modem, 1x Serial Cable,1x Power Adapter,1x Antenna..

Check Stock

Alarm Security System, Wireless DIY Burglar Alarm 18 Piece Kit with GSM and WiFi APP Control for Home Office & Shop - Compatible with Alexa and Google Assistant

...Service: If you have any problem about the alarm system, Pls email to contact us firstly,we have to solve it for you and make you satisfaction. Package including:1x WIFI&GSM alarm panel,4x Remote control,2x Mini wireless PIR detectors,8x Mini wireless door/window magnetic sensors,2x RFID key fobs,1x Wired siren ,1x Power Adapter..

Check Stock