Viking E-20B Line Powered Surface Mount Handsfree Entry PhoneSurface Mount Handsfree Phone Line Powered Entry Phones designed to provide two way handsfree communication. Entry Phone Features: 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

32VDC talk battery

Talk Battery: 32 V DC

Verify compatibility first

unused phone system trunk inputs

E-1600-60-IP and E-1600-60-IPEWP

Precise call progress tones (dial tone

Zinc plated steel rough-in box with (2) 3/4” conduit knockouts

and gel-filled butt connectors

Two watts of paging power

Double gong

and the connections at the push button switch

Cord Length: 7 ft