A6 GSM Wireless Module (GPRS/GSM/SMS)

The A6 GSM Wireless Module is a GSM and GPRS communication module for wireless data transfer and SMS messaging. It supports GSM and GPRS networks and is designed for serial communication with microcontrollers and Arduino boards. The module includes low-power operation and a compact form factor. It also provides voice call support and GPRS data service. An onboard SIM card holder and onboard micro USB interface are included for power input.

Features of A6 GSM Wireless Module - GPRS, SMS, 850/900/1800/1900MHz

• GSM and GPRS support
• SMS send and receive
• UART communication
• Low sleep current
• Onboard micro SIM card holder
• Onboard micro USB power interface
• Dual serial port support
• Digital and analog audio support
• Voice encoding support
• Voice call support
• ROHS, FCC, CE, CTA support

Specifications of A6 GSM Wireless Module - GPRS, SMS, 850/900/1800/1900MHz

• Working voltage: 3.5-4.5 V DC
• Onboard voltage regulator: included
• Four-band frequencies: 850 / 900 / 1800 / 1900 MHz
• Working current: maximum 2 A
• Sleep current: 5 mA
• Communication protocol: TTL serial port / RS232 serial port
• Baud rate: 115200 bps
• Baud rate adjustment: via AT command
• Logic interface voltage: 3.3 V DC
• GPRS download data rate: 85.6 Kbps
• GPRS upload data rate: 42.8 Kbps
• Serial ports: download serial port and AT command port
• Voice coding: HR, FR, EFR, AMR
• Pin pitch: 2.54 mm
• Onboard antennas: SMA and IPX
• Antenna frequency: 780 / 960 / 1710 / 2170 MHz
• Antenna gain: 2.0 ± 0.7 dBi at 880 MHz
• Antenna gain: 2.0 ± 0.7 dBi at 1800 MHz
• Output impedance: 50 ohm
• Antenna interface: SMA
• Working temperature: -30 to 80 °C
• Size: 22.8 × 16.8 × 2.5 mm

How to Use A6 GSM Wireless Module - GPRS, SMS, 850/900/1800/1900MHz

1. Connect the module using the TTL serial port or RS232 serial port.
2. Provide power through the working voltage range or the onboard micro USB interface.
3. Use the AT command port to configure communication settings.
4. Insert a micro SIM card and connect the antenna interface.

More Info

• Supports GPRS data transfer and SMS messaging.
• Includes an onboard micro SIM card holder.
• Includes onboard SMA and IPX antenna interfaces.