product description:
Description:
With basic phone / SMS, GPRS networking communications, GPS / BDS dual-mode positioning capabilities
Can connect external 30W / 200W camera
Can add a traditional slot machine
Features:
-Complete quad-band GSM / GPRS module, 800/900/1800 / 1900MHz
-Sleep current is less than 2mA
-Support GPS, BDS (Beidou) positioning
-Support digital audio and analog audio, support for HR, FR, EFR, AMR voice coding
-Support voice calls and SMS messages, embedded network service protocol stack
-Support the standard GSM07.07,07.05 AT commands and safe letter scalable instruction set
-Support USSD and PBCCH, support UART interface to download
Debugging:
Use USB to TTL serial cable, VUSB → 5V; GND → GND; AT_TX → RX; AT_RX → TX
Use USB cable to power the board,GND→GND；AT_TX→RX；AT_RX→TX
Use lithium battery to power the board, VBAT→(3.3v-4.2)V; GND→GND；AT_TX→RX；AT_RX→TX(Press power_key button for 2S)
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
Package Included:
1 X GPRS GSM GPS BDS A9 Development Board
1 X GSM Antenna
1 X GPRS Antenna
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