This unamplified telephone handset is designed for clear and reliable communication. It features a carbon-compatible electret element integrated into a specialized circuit. The handset operates effectively without variations, ensuring consistent performance.

Key Specifications:

• Output Level: -23 dBV
• Output Impedance: 20 Ohms
• Output Minimum (-20 dBV drive): 96 dBSPL
• Input Impedance: 150 Ohms
• 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

• Clear transmission and reception
• Designed for hearing aid compatibility
• Durable construction
• Easy to install with modular RJ22 connector
• Lightweight and ergonomic design