AB 2400
Extension wall telephone for LB systems

Small model without generator or bell

microtelephone RE 4032 of black bakelite with removable capsule transmitter RC 4000/40, 40 ohm, and cord RS 6162, case of black enamelled sheet iron.

height 160 mm, width 115 mm, weight 1.8 kg.

The dimensions refer to the back plate of the telephone. This telephone is designed for use in connection with telephones of type AB and AC. It should be placed where the signals from the main telephone can be heard by the person using the extension telephone. Calls from one telephone cannot be heard in the other. This telephone requires a microphone battery composed of two dry cells RK 210.
A suitable battery case is RK 2300.
Taken from the L. M. Ericsson Telephones and Signalling Material Catalogue No. 188 (1934)

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Last revised: August 09, 2002