Description: The new industrial GSM Siemens TC35i module is a short message in support of the Chinese industrial grade GSM module, working in EGSM900 and GSM1800 dual band, power range of DC 3.3 ~ 4.8V, current consumption- dormant for 3.5mA, idle to 25mA, launch status 300mA (average), 2.5A peak can transmit voice and data signals, power consumption in the EGSM900 (4) and GSM1800 (1 category) were 2W and 1W, through the interface connector and antenna connector connected SIM card reader and antenna. SIM voltage 3V/1.8V, TC35i data interface (CMOS level) through the AT command can be bi-directional command and data transmission, an optional baud rate is 300b/s ~ 115kb/s, auto-baud rate is 1.2kb/s ~ 115kb/s. It supports Text and PDU format of SMS (Short Message Service, Short Message Service), available through AT command or signal realize turn-off to restart and Recovery
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