Sherlotronics S4 4 Channel Transmitter 12v

R515.00 Incl. VAT

Sherlotronics S4 – 12V 4 Channel Stand-Alone Transmitter – 1.5km Range Code-Hopping – 403MHz

Can be used for transmission of alarm signals, linking electric fence outputs to alarms, switching  pumps on and off on farms, industrial machinery control, wireless control of generators and more.


Sherlotronics S4 12v Stand-Alone 4 Channel Transmitter – 403MHz


  • Transmission of Alarm signals
  • Linking Electric Fence outputs to Alarms
  • Switching On / Off Pumps on farms
  • Industrial Machinery Control
  • Wireless control of Generators



  • Code-Hopping Encryption
  • 1500m Long Range
  • 4-Channel telemetry outputs
  • Normally open or Normally closed trigger inputs
  • LED indication when a channel is triggered
  • 1 or 3 transmit signals can be selected
  • All inputs are supervised
  • On/Off software functionality



  • Encryption: Code-Hopping
  • Range: 1500m (Open air)
  • Frequencies: 403MHz / 433MHz
  • Voltage Range: 9.8V to 16V DC
  • Current on TX: >90mA
  • Sleep mode: >10mA
  • Dimensions (L x W x H): 187 x 104 x 67mm
  • Gross Weight: 235 grams
  • Operating Temp: -3°C to 65°C
  • Warranty: 24 Months


PDF Download

S4 Installation Manual


Additional information

Weight235 g
Dimensions187 × 104 × 67 mm