K style rj11 plug voip telephone handset A23

Material:

1. RoHS approved ChiMei Polycarbonate (Optional) 

2. UL/RoHS approved ChiMei Acrylate Styrene Acrylonitrile (Default) 

3. PC copolymer with enhanced UV stabilization Lexan Resin SLX2432T (Optional) 

4. Explosion-proof Carbon loaded ABS and flame resistant ABS material are available

Cord details:

1. PVC curly cord (Default) 

 - Standard cord length 9 inch in retracted, 6 feet after extended (Default) 

 - Customized different length is available.   

2. Weather resistant PVC curly cord (Optional) 

3. Hytrel curly cord (Optional)

Receiver:

1. Standard Receiver-Dynamic EA1503 (Default) 

 - DC Resistance : 130±10% ohm  

 - Frequency Response Range: 300 Hz-3400 Hz  

 - Sensitivity: 95±3 dB at 60mv  

 - Impedance: 150±20% ohm at 1 KHz 

2. EA1509 high magnetic receiver (Optional) 

 - MF Intensity Axial:-58±2dB at 1KHz 60mV, 0 dB=1 A/m 

 - Frequency Response Range: 300 Hz-3400 Hz  

 - Sensitivity: 100±2 dB at 60mv  

 - Impedance: 150±20% ohm at 1 KHz 

3. EA1512 hearing-aid receiver (Optional) 

 - MF Intensity radial≥-22dB at 1KHz, 0 dB=1 A/m 

 - Frequency Response Range: 300 Hz-3400 Hz  

 - Sensitivity: 98±2 dB at 1 Hz 60mV 

 - Impedance: 150±20% ohm at 1 KHz 60mV

Microphone:

1. Standard Microphone-EB5421 Electret Microphone  (Default) 

 - Sensitivity: -34±2 dB 

 - Impedance: 2.2K ohm Maximum 

 - Directivity: Omni-directional 

 - S/N Ratio: 6 dB Minimum at 1 KHz,1Pa

It is mainly for access control system, industrial telephone, vending machine, security system and CMD+SHITF. With PUSH-TO-TALK switch, it could avoid the noise from the circumstances.