Viking E-20B Speakerphone with Push Button (White)

Key Features: Mfr. Part #: E-20B 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 Power: Telephone line powered (18 VDC/20mA minimum) E-10A Dimensions: Overall: 127mm x 127mm x 57.2mm (5” x 5” x 2.25”), Rough-in box: 102mm x 102mm x 57mm (4” x 4” x 2.25”) E-20B Dimensions: 140mm x 115mm x 38mm (5.5” x 4.5” x 1.5”) Shipping Weights: E-10A: .91 kg (2 lbs), E-20B: .75 kg (1.5 lbs) Standard E-10A/E-20B Environment: -26° C to 54° C (-15° F to 130° F) with 5% to 95% non-condensing humidity E-10A/E-20B-EWP Environment: -26° C to 54° C (-15° F to 130° F) with up to 100% condensing humidity Speaker Volume: Approximately 70db maximum @ 1m Ring Voltage: 25V AC RMS minimum CPC Disconnect Time: 300ms minimum REN: 0.8A Standard Connections: (1) 2-position terminal block EWP Connections: (2) gel-filled butt connectors