Viking Electronics E-20B Surface Mount Plastic Entry Phone

- Alternate action call button to place or cancel a call
- Intelligent call progress detection for automatic hang-up on CPC silence busy signal or time out
- Telephone line powered
- Weather resistant features: mylar speaker gaskets internally sealed push button switch UV stable exterior enamel coated PCB
- Optional Enhanced Weather Protection (EWP) available for greater weather resistance
- Adjustable microphone and speaker volume
- Programmable maximum call length
- Selectable auto-answer feature allows remote monitoring
- Two way handsfree communication
- Programmable VOX (mic/speaker) switching speed
- Light gray colored impact resistant U.V. stable plastic chassis
- Surface mountable only