The Model D-22A 1-Channel, 1-Button Handheld Transmitter is a single-channel transmitter normally used as a "panic button" in security systems. It is also used in many remote switching applications where a portable transmitter is required. Each transmission causes the red LED indicator on the front of the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.
|Encoding Technique:||8-position DIP switch provided for code setting|
|RF Carrier Frequency:||303.875 MHz|
|Current Consumption:||12 mA DC transmitting|
|Operating Temperature:||Battery limited|
|Power:||one 9-volt battery (included)|
|Dimensions:||2.16" W x 3.75" H x 0.88" D (55 x 95 x 22 mm)|