Please Note: Phone Signalers are designed for use on ANALOG phone lines only. Do not connect a Phone Signaler to a DIGITAL phone line. Digital phone technology can damage the Phone Signaler and void both the manufacturer's warranty and HSDC's 30-day return policy. For more information, click here.
Plugs directly into an analog phone jack (Duplex adapter included)
Compatible with videophones
Sends a signal to any compatible Silent Call Receiver 80 to 100 feet away