5805-14-225-9403

Telephone Conference Bridge

5805142259403 142259403 6603009 ST6A ST-6A

An item which joins two or more two-way telephone circuits for conference use by utilization of electrical bridge principles. May include audio frequency amplifiers to nullify the transmission loss of the bridge circuit, and hybrid cell circuits for 2-wire termination of the telephone circuits. View more Telephone Conference Bridge