Military field telephone connected to a remote automatic exchange. DTMF dialing and tone signaling.
Used by the US Military from 1990s until recent years. Designated TA-838/TT.
Used with two-wire lines with DC signaling, LB (Local Battery) or CB (Common Battery), or four wire lines with DC or tone signaling, LB or CB.
Two TA-838 phones can be connected as point-to-point link (without a switchboard).
Preemption keys for high precedence calls: Priority, Immediate, Flash and Flash Override.
Weight: 1.8 Kg.
