Aiphone JO-1FD - 7" Expansion Monitor Model: JO-1FD The JO-1FD is a video expansion station for use with the JO-1MD or JO-1MDW master stations. It is used when a second master station is required. The station is installed between the JO door station and the master station, using a 2-conductor to the... Aiphone $616.00 $385.00
