EX6
Walk test sounder for TX500 & RX16 more
PC4
4 zone expander module more
PC1
Power relay module with timer and light sensitivity more
RX400
Wireless receiver 12V single zone more
AE173
Long range aerial for RX16 & RX16DC more
EX173
Aerial adaptor kit for RX16 & RX16DC more
TX500/15
Wireless 12V PIR Detector, 15m range more
TX500/40
12V PIR Detector, 40m range more