Mini a6 ja6 GPRS-GSM wireless extension module
Working frequency: quad-band network, 850 / 900 / 1800 / 1900MHZ
Working voltage: 3.5~4.2VDC
Working Current: maximum of 2A
Sleep Current: 5mA
Onboard Micro-SIM cardholder, you can install Micro SIM cards
Communication Interface: TTL serial port
Baud rate: 115200bps and it can also be set by AT command.
Interface logic voltage: 3.3V
Make and answer phone calls using a headset and electret microphone.
Send and receive SMS messages.
Send and receive GPRS data (TCP/IP, HTTP, etc.)
Pin pitch: 2.54mm
Onboard antenna interface: IPX and pad for Spring Antenna