Product Overview
- Transmitter Type: ET - Carbon Compatible Electret element designed into a amplified circuit to act as a Carbon without variations
- Output Level: -23 dBV
- Output Impedance: 20
- Output Minimum (-20 dBV drive): 96 dBSPL
- Input Impedance: 150 Ohm
- Amplitude Limiting: 124 dBSPL
- Receive distortion: less than 5%
- Compatible with hearing aids
- PTT handsets do not require a hook switch in cradle
- G-Style / 500-Style Round Receiver & Transmitter Ends
- Connector: 4 conductor modular jack (RJ22)
- Compatible with Cortelco 2500 and 2554 series telephones
