How many wireless devices can go on a 5881ENH?

The Honeywell 5881ENH is an unlimited zone wireless receiver. This means that you can add as many wireless devices as you want to your Honeywell alarm system. The only limiting factor is the number of expansion zones available on the security system control panel. The 5881ENH will allow you to add the maximum number of wireless zones supported by the Honeywell alarm system that you have.

Honeywell Control Panel	Max. Wireless Expansion Zones
Vista-10P	16
Vista-15P	26
Vista-20P	40
Vista-21iP	40
Vista-50P	85
Vista-128BPT/E	127
Vista-250BPT/E	249