Specification :

Features:
* 2, 4 or 6 phone or cellular lines in conference
* 40 dB local signal reject
* 3 buttons easy operation
* + 4 dBm balanced output with audio compression & gain control
* Automatic phone sending level at 0 dBu
* Band-pass filters on the send, to improve rejection of local signal
* 8 dB gain between lines to obtain comfortable levels on a conference
* Robust buttons with reflective illumination
* Balanced telephone connection using NI-Ferrite transformers
* Protection against lightning discharges using SIOV technology
* High quality on the air, without coloration of the local voice