MOD-GSM-B Olimex Ltd., MOD-GSM-B Datasheet - Page 11

• 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

DRX /MRX
AGND_E
INPUT/OUTPUT
The DebugRX/MainRX define whether Debug RX terminal or Main RX terminal of
SIM340D module is connected to FT232RL virtual com port driver.
Default state is DRX
Enable board analog ground.
Default state is closed
PWRKEY button – turns on the MOD-GSM module. You can turn on the SIM340D
by driving the PWRKEY to a low level voltage for period time from 500mS to 1S
Status LED ( red) with name STAT – indicates the state of SIM340D module.
STAT is off state - SIM340D is not running
64ms On/ 800ms Off - SIM340D does not find the network
64ms On/ 3000ms Off - SIM340D find the network
64ms On/ 300ms Off - GPRS communication
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