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Best Gprs Watch

Module,Development Board Module Kit,5~26V SIM Development Module,Fit for SIM900 850/900/1800/1900 MHz GPRS/GSM,Quad-Band 850/900/ 1800/1900 MHz - Would Work on GSM Networks

  • Computer debugging USB--TTL. This module is powered by: 5V-26V, 5V 2A power supply is recommended. After plugging in the motherboard, the power supply must be able to supply 2A. The reason is that the GPRS Shield startup current and the maximum top current required to work up to 2A, but the USB port can not provide such a large current, so the external power supply equipment must be provided..
  • The other power supply port leads to the 3.7--4.5V power supply for lithium battery power supply. The serial port is perfectly compatible. The TTL serial port is compatible with 3.3 and 5V microcontrollers.Speaker and Headphone jacks..
  • The best baud rate for GPRS Shield communication is 19200 BPS 8-n-1 (GPRS Shield automatically matches baud rate by default).Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world..
  • GPRS multi-slot class 10/8.GPRS mobile station class B. Compliant to GSM phase 2/2+. Class 4 (2 W @ 850 / 900 MHz).Class 1 (1 W @ 1800 / 1900MHz).Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands..
  • Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal).Embedded TCP/UDP stack - allows you to upload data t....
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HiLetgo Smallest SIM800L GPRS GSM Breakout Module Quad-Band 850/900/1800/1900MHz SIM Card Slot Onboard with Antenna 3.7~4.2V

  • Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission..
  • The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 1mA in sleep mode..
  • It communicates with microcontroller via UART port, supports command including 3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands..
  • AT command interface with "auto baud" detection..
  • TTL serial port for serial port, you can link directly to the microcontroller.
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ele ELEOPTION Kids Smart Watches Boys Girls Waterproof LBS Tracker Digital Wrist Watch Touch Screen Cellphone Camera Voice Anti-Lost SOS Smartwatch for 4-12 Years Children Students Gift

  • ❤【LBS Location Tracking】Kids tracker smart phone watch with LBS position technology provides for kids' safety. At the same time, parents can check the location anytime, anywhere via APP. Kids can one-click SOS to get a call if they in danger. parents can check the position at any time anywhere via SMS, website, iOS or Android APP..
  • ❤【SIM Card Selection】Kids smart watch worked as an unlock cellphone, The package only included a smartwatch, but without SIM Card. You need to buy a SIM Card that supports the 2G network. (SIM Card need to open GPRS "E" service and call ID function. Both 2G card and 4G card can be used, as long as it can support a 2G network.) Only support Micro SIM GSM Network. We recommend the ‘SpeedTalk ’Mobile Card in America. NOT SUPPORTED: Sprint, Verizon,Att..
  • ❤【Multifunctional】Just like a Smartphone, it still supports Two-Way Call, LBS positioning, One press SOS emergency call, Anti-Lost, Anti-Throw, Activity Tracking, remote photograph, Voice Chat, Remote Voice Monitor, Clock, Flashlight, Math, etc. Parents can Control and set The watch through the APP..
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Kids Smart Watches for Girls Boys with GPS Tracker SOS Call Alarm Clock Camera Touch Screen Sport Intelligent Smart Watch HD Spy Safety Phone Watch for Over 3+ Years Kid Birthday Gift (Green)

  • ❤【LBS Base Station Tracker】The Smart Phone Watch has position technology based on LBS, Location Base on Cell Tower Station. It can provide location tracking when kids are outdoor. Kids can one click SOS to get call if they in danger. parents can check the position at anytime anywhere via SMS, website, iOS or Android APP..
  • ❤【Remote Voice Monitor & Camera 】Set the voice monitor number in App, dail the number, the watch will automatically answer without remind. So the parents can hear the children secretly. Built in Camera, Parents can remote the camera on app or the child directly use it on the watch. And kids also take pictures..
  • ❤【IP67 Waterproof & 1.44 inch Touch screen】The watch is water resistant ONLY not for kids washing or bathing soaking swimming or steam. Nano TPU85 material strap, Anti-sweat matte surface treatment ergonomic convex design and soft strap which make wearing more comfortable for kids to wear. 1.44’’ Clear LCD touchscreen phone watch helps you to reach your child anytime anywhere. You are able to set the numbers for incoming and outgoing calls, voice messages through the application for IOS Android..
  • ❤【 SIM Card Selection 】Kids smart watch worked as an unlock cellphone,The package only included ....
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Beacon Pet Kids Smart Watches for Girls Boys with GPS Tracker SOS Call Alarm Clock Camera Touch Screen Sport Intelligent Smartwatch HD Spy Safety Phone Watch Birthday Gift for Over 3 Years Old (Red)

  • ❤【LBS Base Station Tracker】The Smart Phone Watch has position technology based on LBS, Location Base on Cell Tower Station. It can provide location tracking when kids are outdoor. Kids can one click SOS to get call if they in danger. parents can check the position at anytime anywhere via SMS, website, iOS or Android APP..
  • ❤【Remote Voice Monitor & Camera 】Set the voice monitor number in App, dail the number, the watch will automatically answer without remind. So the parents can hear the children secretly. Built in Camera, Parents can remote the camera on app or the child directly use it on the watch. And kids also take pictures..
  • ❤【IP67 Waterproof & 1.44 inch Touch screen】The watch is water resistant ONLY not for kids washing or bathing soaking swimming or steam. Nano TPU85 material strap, Anti-sweat matte surface treatment ergonomic convex design and soft strap which make wearing more comfortable for kids to wear. 1.44’’ Clear LCD touchscreen phone watch helps you to reach your child anytime anywhere. You are able to set the numbers for incoming and outgoing calls, voice messages through the application for IOS Android..
  • ❤【 SIM Card Selection 】Kids smart watch worked as an unlock cellphone,The package only included ....
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Smart Watch for Kids, Waterproof Smartwatches with Tracker HD Touch Screen for Kids Games SOS Alarm Clock Camera Digital Wrist Watch Smartwatch Christmas Birthday Gifts for 3-12 Boy Girls(Pink)

  • ⌚MULTI-FUNCTION SMART WATCH: Waterproof, Support Two-way call, LBS positioning, SOS emergency call, Camera, Flashlight, Voice chat, Anti-throw, Remote voice monitor, Clock, Math game, etc. Parents can control and set the watch through the APP. Communicate with your child is very simple you can talk to your child anytime, anywhere to share the mood, caring about the situation, parent-child interaction everywhere..
  • ☛NOT INCLUDED SIM CARD: Support micro SIM card, we only provide Smartwatch, but no SIM card, please purchase additional GSM network SIM card, we recommend SPEEDTALK SIM (belonging to T-mobile network), watch SIM card needs to be enabled GPRS function and caller ID function, must be compatible with 2g of data traffic, watches currently only use 2g of data traffic.Before buying a watch, please check confirm whether there is a 2G network around you. Otherwise, the watch will not work..
  • ☻TWO-WAY COMMUNICATION & ONE KEY SOS: Kids can make and answer call via parents have set contacts phone number. The watch can be set to 3 emergency numbers. When the child is in danger, press the SOS button, it will call 3 phone numbers for SOS calls alternatively in 2 rounds until answering the call. In addition, Parents can track children’s real....
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USR 4G LTE Modem USR-G781 Industrial Celluar Serial Modem Data Converter to Ethernet Support APN and VPN Network

  • Support Dual Frequencies: GSM/GPRS 900/1800MHz.
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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..
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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..
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Kids Smart Watches, Colorful Touch Screen Smart Watch for Kids with 7 Puzzle Games Alarm Clock Music Player Camera Two-Way Call SOS Recorder for 4-12 Years Girls Boys Christmas Birthday Gift(Black)

  • ⌚MULTI-FUNCTION SMART WATCH: Waterproof, Support Two-way call, LBS positioning, SOS emergency call, Camera, Flashlight, Voice chat, Anti-throw, Remote voice monitor, Clock, Math game, etc. Parents can control and set the watch through the APP. Communicate with your child is very simple you can talk to your child anytime, anywhere to share the mood, caring about the situation, parent-child interaction everywhere..
  • ☛NOT INCLUDED SIM CARD: Support micro SIM card, we only provide Smartwatch, but no SIM card, please purchase additional GSM network SIM card, we recommend SPEEDTALK SIM (belonging to T-mobile network), watch SIM card needs to be enabled GPRS function and caller ID function, must be compatible with 2g of data traffic, watches currently only use 2g of data traffic.Before buying a watch, please check confirm whether there is a 2G network around you. Otherwise, the watch will not work..
  • ☻TWO-WAY COMMUNICATION & ONE KEY SOS: Kids can make and answer call via parents have set contacts phone number. The watch can be set to 3 emergency numbers. When the child is in danger, press the SOS button, it will call 3 phone numbers for SOS calls alternatively in 2 rounds until answering the call. In addition, Parents can track children’s real....
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Dual Band GSM Modem with Wavecom M1306B 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..
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DIGI XTP9B-PKI-R XTend-PKG-R Serial ~900 MHz RF Modem, 9XTend Replacement, PKG, RS232/485, North America

  • Support Quad Frequencies: GSM/GPRS 850/900/1800/1900MHz.
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Taidacent SIM800L GPRS GSM Module Micro SIM Card Core Board GSM Quad Band TTL Serial Port ESP32 ESP8266 SIM800L

  • SIM800L GPRS GSM module micro SIM core board quad-band TTL serial port is ESP8266 ESP32.
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