Waterproof handset for public telephone A28

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

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:

Standard Receiver-Dynamic EA1001 (Default)

- DC  Resistance : 100±20% ohm 

- Frequency Response  Range: 200Hz-4000 Hz 

- Sensitivity: -65±3 dB at  60mv 

- Impedance: 100±20% ohm at 1 KHz

Cord material:

 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)

Connector can be chosen: Y-spade,RJ11,XH-plug,USB, Audio Jack, Amphenol AP-125 Aviation Joint, XLR Connector,ect. 

This handset is mainly for military telecommunication equipment and all kinds of radios  and etc. Also could be used for police station, Government office and some other places which has high request of telecommunication.