1. The SIEMENS TC35I is a standard AT commands Based GSM module, you can easily apply it with your own embedded system to creat a GSM wireless based data transfer module .Support Arduino!

2. The SIEMENS TC35 Module is AT Command – controlled gsm modem, via Serial Port (RS232/TTL communication).

3. You can carry out the application, such as the calling action, voice gateway, and SMS center by using this TC35 module with your system.

4. Common applications are (sending/receiving) SMS control, phone calling.

5. Power supply: DC 12V

6. Frenquency: 900 1800

GSM module features:

support serial R232 and TTL

Working in EGSM900 and GSM1800 dual band.

adaptive baud rate is 1.2kb/s ~ 115kb/s.

support the transmission of voice and data signals.

AT commands can be bi-directional transfer of commands and data.

Support Text and PDU format of SMS.

through the AT command or the shutdown signal to restart and Recovery

with a hardware reset, software reset and manual reset.

modules compatible with multiple manufacturers.

1pc STEMENS TC35i module + 1pc GSM Special Antenna + 1pc TC35i GSM development board

NOTE: TC35i is default. if you need TC35, please leave me a message when you pay.