GSM/GPRS Module Series
M35 User Manual
M35_User_Manual Confidential / Released 15 / 85
1)
When the module works within this temperature range, the deviations from the GSM specification may
occur. For example, the frequency error or the phase error will be increased.
Table 2: Coding Schemes and Maximum Net Data Rates over Air Interface
2.4. Functional Diagram
The following figure shows a block diagram of M35 and illustrates the major functional parts.
Radio frequency part
Power management
The Peripheral interface
—Power supply
Support autobauding from 4800bps to 115200bps
Debug Port:
Two lines on debug port interface DBG_TXD and DBG_RXD
Debug Port can used for firmware debugging
Support phonebook types: SM, ME, FD, ON, MT
Support SAT class 3, GSM 11.14 Release 99
Size: 19.9±0.15 × 23.6±0.15 × 2.65±0.2mm
Weight: Approx. 2.5g
Firmware upgrade via UART Port
Connected to antenna pad with 50 Ohm impedance control
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