AES: 603-EH D.e.c.t. handset
 
D.E.C.T. handset for use on AES 603-AB and 603-ABK DECT intercom systems.
 
Additional handset - up to 4 handsets in total can be used with one door/gate station
 
 See AES DECT wireless intercom kit - 603-AB
 
The handset comes complete with batteries, charging holster and charger psu.