S20 - Multi-Channel Handheld Transmitter (10 / 40 Channel))

The multi-channel S20-433A handheld transmitters work in AM technology with 18-bit linear code. You can use the S20-433A1000 to operate gate systems with up to 10 gates via pulse mode. The S20-433A4000 can control up to 40 gates. It is possible to have your company logo imprinted and to have special colours, by arrangement.

The channel selection switch is used to assign a channel to the transmitter keys. Please see the table, for the assignment of the keys.


  • LED for battery and transmission control
  • 1,024 coding possibilities configurable via Dip switch
  • Compatible with our 433 MHz AM receivers
  • Exempt from registration and from charges! Europe-wide approval according to ETS 300220
S20-433A4000 S20-433A4000


Transmission frequency: 433.92 MHz, amplitude-shift keying 'ASK'
Transmission channels: 10 or 40
Coding: 1,024 codes freely configurable via 10-pin Dip switch
Range: up to 100 m in a free field
Operating voltage: 9 V block battery of type 6F22
Power consumption: typically 15 mA in transmit mode
Operating temperature: -20° C up to +60° C at 30% to 80% relative humidity
Dimensions: 110 mm x 60 mm x 26 mm
Weight: approx. 130 g including battery




9V Battery

Spare battery

  • Order no. / EAN (GTIN)

    10-channel, linear code, key colour 'ruby-red', LED 'yellow'

    40-channel, linear code, key colour 'ruby-red', LED 'yellow'

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