The RT21 remote control is available in both a 1-channel version and a 2-channel version. It is primarily used for controlling electric gate operators or for sending person calls. A necessary battery change is clearly indicated by an LED.

Coding: Factory coding with Easywave telegram

Frequency: 868.30 MHz

Channels: 1 or 2

Range: typically 150 m under good open field conditions

Power supply: 1x 3V battery, CR2032

Operation control: LED

Operation: The transmitter sends as long as the button is pressed (max. 36 seconds)

Function: dependent on the receiver; see specifications

Operating temperature: -20 °C to +60 °C

Dimensions: 36 x 55 x 16 mm

Weight: 17 g (including battery)

Colors: anthracite similar to RAL 7016.