Description
Robust extension tone ringer with volume and pitch control and an on/off switch. Connection to the exchange line via either screw terminals or modular socket. Unit has a built-in speaker. An optional 15-watt horn speakers (connected via screw terminals) is available for more directionsal signalling of intercom calls. Maximum volume 98dB. This unit has a REN of 1.9. 115(w)x155(h)x 35(d)mm
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