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Silent Call Signature Series Wireless Doorbell Transmitter attaches easily with two-small screws and is battery operated. When you push the button on the transmitter, it sends a wireless signal to the Sidekick II receiver that will alert you by flashing strobe light or vibration when someone rings the doorbell.

Silent Call Sleep Alert Charger recharges the battery in the Good Vibrations, Vibracall and Omni Page receivers. It will also activate an bed vibrator for continuous 24 hour notification.

Silent Call Smoke Detector with Built-In Transmitter is very simple to install and battery powered and provides instant notification. If the smoke detector is activated, the built-in transmitter sends a signal to any silent call 318mhz receiver. It is specially designed to provide early warning of developing fires. It allows a deaf or deaf-blind user to be alerted to the activation smoke detector.

Silent Call Sound Monitor Transmitter alerts the user to sounds such as a baby cry, a door buzzer, alarm clock and oven timer. It has a delay circuit so that loud sounds that are very brief will not activate the transmitter. When the sound monitor detects a sound that is above its adjustable detection threshold, it sends a signal to a variety of 318 MHz receivers.

Silent Call Telephone Transmitter connects in seconds to the jack of any standard analog phone line. When the telephone, TTY or VCO rings, the transmitter sends a signal to a variety of Silent Call 318Mhz receivers. It has a range of up to 500 feet, depending on which receiver you are using.

Silent Call Vibra Call Receiver is a personal alert system for people who are deaf or blind. When the receiver detects a signal from a Silent call transmitter, it activates its vibrator with a predetermined output vibration for each type of transmitted signal. It is used in conjunction with any Silent call transmitter such as the telephone, doorbell, smoke detector and sound monitor.

Silent Call Vibra Call Receiver is a personal alert system for people who are deaf or blind. When the receiver detects a signal from a Silent call transmitter, it activates its vibrator with a predetermined output vibration for each type of transmitted signal. It is used in conjunction with any Silent call transmitter such as the telephone, doorbell, smoke detector and sound monitor.