Ai-Thinker
GPRS GSM+GPS BDS A9G SMS/Voice/Wireless Tx
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- SKU:
- PEGHT45
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Description
Description
GPRS GSM GPS BDS A9G Development Board GPS Antenna SMS Voice Wireless for Smart Watch AT
Basic phone / SMS, GPRS networking communications, GPS / BDS dual-mode positioning capabilities
Application:
Use GPRS + GPS, as well as acceleration sensors for vehicle immobilizer.
Remote monitoring intercom using GSM and microphone / speakers
Use GPRS / GSM + GPS, for Smart watch with 1.54 "capacitive touch screen,heart rate oximeter sensor, 1.54-inch capacitive touch screen monitor the elderly
Use GPRS + TF + camera extension board remote monitoring camera
Wechat payment slot machine scheme using slot machine
Using onboard features, custom device based on Lua programming
Contains a lithium battery charging management, microphone, speaker interface, USB communication interface, multiple user keys / led, TF card slot, accelerometer, SPI interface, I2C2 interface, ADC interface
Can connect external 30W / 200W camera
Can add a traditional slot machine
Features
- Supports voice call and SMS message.
- Supports GSM/ GPRS frequency: 850/ 900/ 1800/ 1900 MHz.
- Supports GPRS data service, the maximum download data rate is 85.6 Kbps, upload data is 42.8 Kbps.
- Supports GSM07.07, 07. 05 AT commands and Ai-Thinker explosion command.
- Supports 3 serial ports, one download serial port, one AT command port.
Specifications
- Size: 19.2mm x 18.8mm x 3mm
- Working temperature: -30 ℃-80℃
- Working voltage: 3.5v – 4.2v (it’s best to power by 4v)
- Power voltage: >3.5v
- Low power consumption:
- Sensitivity:
- GPIO level: 2.8v
Debugging:
Use USB to TTL serial cable, VUSB rarr 5V; GND rarr GND; AT_TX rarr RX; AT_RX rarr TX
Use USB cable to power the board,GNDrarrGND；AT_TXrarrRX；AT_RXrarrTX
Use lithium battery to power the board, VBATrarr(3.3v-4.2)V; GNDrarrGND；AT_TXrarrRX；AT_RXrarrTX(Press power_key button for 2S)
Default Baudrate is 115200,in the module initial power-on, you can modify the module's baud rate
Document Link : http://tinyurl.com/A9G-document
Power on
- A9G development board can be powered by USB or lithium battery.
- It does not require any operation when powered 1-2s.
- Please press the Rst_Key button to reset.
- The module enters AT command mode by default.
Package list
- A9G Development Board x 1
- GPRS Antenna x 1
- GPS Antenna x 1
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