Mini A6 GA6 GPRS GSM Kit 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 card holder, 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

About the Antenna:

• Suitable for SIM800L GSM modules / Arduino SIM900 GPRS Shield
• Frequency: 780MHz~960MHz, 1710MHz~2170MHz
• Antenna gain: +2.0 ± 0.7 dBi @ 880 MHz, +2.0 ± 0.7 dBi @ 1800 MHz
• W.R <= 2.0 @ 2100 MHz ~ 2500 MHz
• Output Impedance: 50 Ohm
• Usage: It can be soldered directly to the board.