The Cardin RQM449200 is a 2-channel receiver on 433.92 MHz, suitable for all variants of the S449 remote control including:
TXQ449300 - Cardin TXQ449300 with 3 channels, TXQ4494P0 - Cardin TXQ4494P0 with 4 channels, RQM449200 - Cardin RQM449200 mini 2 channels 433 MHz, TXQ449100 - Cardin TXQ449100 with 1 channel, TXC449400 - Cardin TXC449400 with 4 channels, TXQ449400 - Cardin TXQ449400 with 4 channels, TXQPRO449-4 - Cardin TXQPRO449-4 with 4 channels, TXQ449200 - Cardin TXQ449200 with 2 channels, RCQ449W00 - Cardin RCQ449W00 mini 2 channels 433 MHz, TXQ4492P0 - Cardin TXQ4492P0 with 2 channels, TXQPRO449-4A - Cardin TXQPRO449-4A ext. antenna, TXC449200 - Cardin TXC449200 with 2 channels, SSB-T9K4 - Keypad Cardin SSB-T9K4