Speech Network, Very Advanced, 48dB Maximum Tx. Gain at handset Microphone|58dB Maximum Tx. Gain at Base Microphone|36dB Maximum Tx. Gain at DTMF Amplifier, 42-SDIP
Speech Network, Very Advanced, 48dB Maximum Tx. Gain at handset Microphone|58dB Maximum Tx. Gain at Base Microphone|36dB Maximum Tx. Gain at DTMF Amplifier, 52-TQFP