1200/2400 Baud COMELEC Packet Modem

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The modem is based on the TCM3105 (1200 Baud Modem IC) chip of Texas Instruments and connected between the transceiver and the serial port of the PC.

This is a picture of the "PACKET 1224 COMELEC" Modem.

This modem is used for 1200Bd and 2400Bd operation. The baudrate can be change with a selector.

NOTA : This modem was used since 2004 to 2008 for UHF Digipeater (F5RRS-4 on APRS Network) AX25 Packet Radio operation (1200 baud). It has been replaced by USB TNT V3.0



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Damien F5RRS Webmaster
Last update of this page: December 2008