Reviews Gprs Module

Ingcool GSM/GPRS/GNSS Bluetooth HAT Expansion Board for Raspberry Pi 4B/ 3B+/ 3B/ 2B/ Zero W/ Zero, Based on SIM868 Module Supports SMS, Phone Call, Global Position, Transfer Data, etc.

Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards.
Supports SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc. Support GPS, COMPASS, Glonass, LBS base station positioning, omni-positioning. Bluetooth 3.0, supports data transferring through Bluetooth.
SIM card slot for 1.8V/3V SIM card, Supports SIM application toolkit: GSM 11.14 Release 99.
Baudrate auto detection (1200bps ~115200bps). Onboard USB TO UART converter for UART debugging. 6x LEDs for indicating the module working status. RTC with backup battery holder.
Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands). Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32).

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.

❃【3000W MPPT Solar Inverter】3000W off the grid 48V solar inverter, a combination of 3000W pure sine wave inverter , a 80A MPPT charge controller (Advanced MPPT technology charging with an efficiency of 99.9% ), and UPS function module in one machine. Very suitable for power grid backup power shutdown and application. It is packed with unique features and it is one of the most advanced inverter in the market today..
❃【Support 4 Charging Modes & 3 Output Modes】 Four modes charging your battery: Solar first mode.
Only solar. Three modes output working fit your load, Solar first.
SBU Priority. Smart battery charger design for optimized battery performance, work with 48V battery, compatible with the electrical grid ,mains voltage or diesel generator power..
【Parallel Operation up to 6 Unit】 Output 110/120V, 60Hz/50Hz can be setting, can operate a wide variety of appliances, could be used in parallel with two different modes, max 6 units work together to support three-phase equipment. Could power AC household appliances or large electrical equipment in travel or work places, it is ideal for supplemental RV power and overnight power or long-time applications, is very su....

【4G LTE Wired GPS TRACKER 】: Vehicle GPS Tracking Device, Support 4G 3G 2G Network, GSM LTE WCDMA, Global Universal, Wide coverage, more stable....
【SOS Emergency Alarm】: If you encounter an emergency or dangerous situation while driving and you cannot make a call with your mobile phone, you....
【Power Off Alarm & Remote Cut off Oil】: If the theft found the tracker, as he get it off, you will receive a power off alarm on your phone. And If....
【REAL TIME TRACKING & GEO FENCE】: GPRS+GPS+BDS+LBS, Real-Time Positioning by Standard map, satellite map or Real map, accurately up to 10 meters.....
【SIM GPRS & FREE APP】: The GPS tracker needs a SIM card. SIM Card Not Included. Insert the SIM card in the tracker rightly, install it with the....

Fast battery charging app scan all high battery consumption services including Bluetooth, GPS, WiFi Connection, GPRS, Screen brightness, Screen timeout, NFC, Auto Sync etc..
You can stop all services on one screen using Fast Battery Charging app. It also show current health diagnostics of mobile battery..
This app not only reduce charging time but additionally elongates your battery time. To keep running battery charging in background press 'home' button..

Choice 1: USE as cell phone(Sim Card/ Memory Card needed, NOT included)/ Activated GSM 2G Micro Size Sim Card needed(for internet access, GPRS function also needed)/ Which Carrier's Sim Card is AVAILABLE for this watch? T-Mobile, Straight Talk, Lycamobile, Speedtalk, Ting GSM, Simple Mobile or ANY GSM carrier's 2G Sim Card is OK/ PLS NOTE: ALL carriers'(including AT&T, T-Mobile) 3G/4G/5G Sim Card is NOT AVAILABLE/ PLS NOTE: ALL CDMA carriers(Verizon, Sprint, Boost, PagePlus) is NOT available.
Phone function - Make phone call directly from the smart watch,including answering and dial-up.SIM slot,Single SIM card (micro SIM card) can be as a phone,support make calls by Bluetooth or smart watch.
GSM/GPRS 850/900/1800/1900(2G,not support CDMA).
Sync function(Only for Android) - Whatsapp,Twitter,Facebook,Browser(need put a 2G/2.5G network SIM card).
Sport health: sleep monitoring,sedentary remind. Other functions: Image viewer, Sound recorder (need put and SD card ), Remote capture, Alarm clock, Calendar,Camera (0.3M),Two way Anti-lost..
DON'T take to shower or Use in water(Little water on face such as small rain or Washing Hands is OK). Designed to charge by computer ....

Multi Color Notification Lights / Eco-Modes to conserve battery life and also a new one touch Bright mode, when in dark areas.
5 Megapixel HD Camera (1932 × 2576 pixels max picture taking resolution).
HD Video Recording (1280 × 720 video capture in 720P resolution).
GSM GPRS EDGE 850, 900, 1800, 1900 MHz. UMTS HSDPA 800, 850, 1700, 2100 MHz. *Micro sim card*.

Cellular Protocol: GSM, CDMA, GPRS, UMTS, EDGE, HSDPA, WCDMA, HSUPA, HSPA+, LTE, DC-HSPA+.
Cellular Band: GSM 850/900/1800/1900 / UMTS 850/900/1800/1900/2100 / LTE 700/850/1700/1900/2100.