The RT21 hand-held transmitter is available in both a 1-channel version and a 2-channel version. It is primarily used to control electric door operators or to send paging calls. If a battery change is necessary, this is clearly signalled by an LED.

Technical data:

• Coding: Factory coding with Easywave telegram
• Frequency: 433 MHz
• Channels: 1
• Range: Typically 150 m in good free-field conditions
• Power supply: 1x 3V battery, CR2032
• Actuation control: LED
• Operation: Transmitter transmits as long as the button is pressed (max. 36 seconds)
• Function: Dependent on receiver; see explanations
• Operating temperature: -20 °C to +60 °C
• Dimensions: 36 x 55 x 16 mm
• Weight: 17 g (including battery)
• Colours: Anthracite similar to RAL 7016

Scope of delivery:

• Hand-held transmitter including battery
• Operating instructions.