Details Supports Clear-Com signaling to and from the matrix Adjustable nulling and levels Eclipse HX Configuration Software (EHX) Item Code CCI-22 Technical Specifications Audio Frequency Response: 100Hz-15kHz, +0/-3dB Impedance: >10KΩ (bridging) Clear-Com or compatible: -15dBv nominal Other: -10dBv nominal Call Signal Clear-Com or compatible only: 4 -11V DC Nulling Capability Line Length: 0 - 4,000 feet Line Impedance: 120 - 350Ω Depth of Null: >30dB, 200Hz - 8 kHz Nulling Tone: Via 1/8\" phone jack Power Power is supplied by external partyline Consumption (maximum each channel): 40mA @ 20 - 30V DC Power Requirements: 0mA from PSU-101 power supply Environmental Operating Temperature: 32° - 104°F (0°- 40°C) Storage Temperature: -67° - 158°F (-55° - 70°C) Humidity: 90% non-condensing Dimensions 5.06 x 1.38 x 9.16in (HxWxD) (129 x 35 x 233mm) Weight 12.5oz (0.32kg)