Wishlist Quick view SIEMENS Siemens COMMUNICATION MODULE RF170C, RS422/RS232 6GT2002-0HD01 €52,189.00 COMMUNICATION MODULE RF170C, RS422/RS232 RFID communication module RF170C for Installation in ET 200pro; Basic module for connection of 2 readers; with RS422 or RS232 without connection block. Datasheet: Download PDF Add to Wishlist