The E-30-PT is designed to provide quick and reliable communication in noisier areas. The mic sensitivity is set to a low level until the TALK button is pressed then it is raised to a normal level. In this way, the E-30-PT assures that the called party’s voice will be broadcast over the speaker. In applications where the background noise can be louder than the person calling, a handset type phone is recommended. The E-30-PT features non-volatile memory, a built in dialer, and intelligent call progress detection for automatic hang-up when the call is completed. The E-30-PT can be programmed to dial up to 5 different numbers on ring no answer or busy and can be configured to dial these numbers until answered. The E-30-PT-EWP shares all of the features of the E-30-PT in addition to Enhanced Weather Protection (EWP) for installation in harsh environments. EWP products feature rubber gaskets and boots, hand soldered silicon sealed connections, gel-filled butt connectors, as well as urethane potted circuit boards with weather sealed, field-adjustable trim pots and DIP switches for easy on-site programming Applications Non-ADA Hot-Line Phones for: -Terminals Stadiums -Parking lots/ramps -Convention centers -ATM machines Gate and Door Entry Phones for: -Business lobbies -Vehicular and pedestrian gates -Residences Features Push to talk button Phone line powered Vandal resistant, stainless steel faceplate with heavy-duty metal call button Non-volatile E2 memory (no batteries required) Touch Tone or pulse dialing Programmable to dial up to 5 numbers on busy or ring no answer Red off-hook LED indicator Hangs up on CPC, silence, busy signal, return to dial tone, time out or a Touch Tone command Programmable to auto-answer on incoming calls Remotely programmable Extended temperature range (-15°F to 130°F) E-30-PT-EWP has Enhanced Weather protection Flush mountable using included plastic rough-in box Optional VE-5x5 surface mount back box E-30-PT-EWP conforms to NEMA requirements Specifications Power: Telephone line powered (24VDC talk battery w/20mA loop current minimum) Minimum Ring Voltage: 90VAC RMS Dimensions: Overall-127mm x 127mm x 57mm (5” x 5” x 2.25”), Plastic Electrical Box-102mm x 102mm x 54mm (4” x 4” x 2.12”) Shipping Weight: 1 Kg (2.2 lbs) Operating Temperature: -26°C to 54°C (-15°F to 130°F) Humidity - E-30-PT: 5% to 95% non-condensing Humidity - E-30-PT-EWP: Up to 100% condensing Connections - E-30-PT: RJ11 jack Connections - E-30-PT-EWP: Gel-filled butt connectors