TOPD4FRN 806TS-0330 4-channel fixed-code hand-held transmitter, dual frequency 433.92 MHz and 868.35 MHz

TOPD4FRN 806TS-0330 4-channel fixed-code handheld transmitter, dual-band (433.92 MHz and 868.35 MHz). This handheld transmitter is dual-band capable and transmits on both frequencies (433.92 MHz and 868.35 MHz). It features a rolling code to prevent interference with other radio devices. It is not compatible with remote controls from other brands. Please ensure your remote control matches the one I used before purchasing, otherwise it will not work.