MOD-GSM-B Olimex Ltd., MOD-GSM-B Datasheet - Page 9

• Manufacturer Part Number: MOD-GSM-B
• Description: RF Modules & Development Tools GSM-B WIRELESS PROTOTYPE MODULE
• Manufacturer: Olimex Ltd.

Specifications of MOD-GSM-B

• Board Size: 33 mm x 33 mm x 3 mm
• Product: RF Development Tools
• Maximum Frequency: 1900 MHz
• Output Power: 2.5 mA
• Antenna: External
• Supply Voltage (max): 4.5 V
• Maximum Operating Temperature: + 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PWR-CON
PWR_EXT
BAT
Note: The battery doesn't support TEMP_BAT.
This connector is used to power the MOD-GSM. External (+9-12VDC) power source have to
be applied to this pins.
Pin #
1
2
3
1
2
1
2
3
4
5
6
Pin #
Pin #
Signal Name
VBAT
TEMP_BAT
GND
5V_IN
GND
VBAT
PWR_IN
GPIO1
AUXADC
Signal Name
+12V
GND
Signal Name
5V input for battery recharge
Ground
Output – for power supplying other
devices from the GSM battery
Optional input for external power
supply
Doesn't work
Input for analog signal
Page 9
Description