RF Receiver 433 MHz 8-channel PCB only RX8I4CA-PCB UTC Fire & Security Aritech
RF Receiver 868 MHz 8-channel PCB only RX16W8CA-PCB UTC Fire & Security Aritech
RF Receiver 868 MHz 8-channel PCB only RX8W8CA-PCB UTC Fire & Security Aritech
Sounder, 32 Tones user selectable, shallow base, mains powered - AS363M UTC Fire & Security