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Arduino XIEHOR IOT-GA6 - GSM,GPRS development board SIM900A

XIEHOR IOT-GA6 - GSM,GPRS development board SIM900A

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IOT-GA6 GSM module:


- dimensions 22.8 x 16.8 x 2.5 mm;
- Operating temperature -30 to + 80
- operating voltage 3.3 V to 4.2 V;
- supply voltage > 3.4V;
- Support four GSM / GPRS bands, including 850, 900, 1800, 1900 MHz;
- Sensitivity <-105;
- Voice call support;
- SMS text message support;
- Support GPRS data transfer, maximum data rate, download 85.6Kbps, upload 42.8Kbps;
- Supports standard GSM07.07,07.05 AT commands and extended Ai Thinker commands;
- Supports two serial ports, serial port to download AT command port;
- The command supports standard AT and TCP / IP command interfaces;
- Digital audio support and analog audio support for HR, FR, EFR, AMR speech encoding;
- Support 2G mobile card Unicom card
- ROHS, FCC, CE, CTA certification support;

Pin Flag module:
VCC_IN: Power input 5V -9V
GND: ground
U_TXD: module A6 to send (TTL level)
U_RXD: module A6 receive (TTL level)
RS232_TX: 232 serial port
RS232_RX: 232 serial port for receiving
HTXD: Serial interface upgrade
HRXD: Serial interface upgrade
MIC- MIC +: microphone input
REC + REC-: Speaker output
INT: The control module is used to enter low power mode, high back to low
PWR: power button, > 1.9V more than 2s to boot
(Processing module hardware, power is automatically turned on, eliminating the need for wiring problems)

9011152
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