... -in two-way intercom function without external speakers, alarm or remote on-site staff yelling, duplex intercom. 11, on-site ... 17, can host keyboard, remote control, timer, telephone remote control, five models out arm, stay arm and disarm, and other functions. 19, wireless detector ... be used to modify or query the contents of wireless and wired zone alarm zone content (01-99 wireless zones, 101-102 ...