EL4400 - INTERCOM STATIONS
EL 4400/I with internal microphone
EL 4400/E with external gooseneck microphone
EL 4400/IC Console version with gooseneck microphone
EL 4400/D version double semi-duplex with gooseneck microphone
Other Elman intercom and beltpack
BIA - Beltpack IFB Amplifier (usable with tbp8)
EL4400/S - Terminal for TBP10 10 channels intercom
TALKBACK PLUS Instant Program 4 Wires Intercom (1RU)
TBP10 - 4 wires handsfree full duplex 10 channels intercom with interrupted feedback (1RU)
TBU - Telephone Balance Unit (telephone to 4 wires) (usable with tbp8)
