Wireless Float Switch Transmitter / Relay Receiver System - 6 Miles Max

  • $665.00
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Wireless Float Switch Transmitter / Relay Receiver System - 6 Miles Max

Model: WFSX-900-FS12F


  • Wireless Bridge Between Float Switch & Relay
  • Transmitter Activated with Included Float Switch
  • Up To 6 Miles Line-of-site Transmit/Receive Distance
  • Receiver has 30 Amp SPDT Control Relay
  • Powered by any 12V-14V DC Supply
  • Weatherproof PVC Enclosures
  • Pre-configured, Ready-To-Operate
  • Sold As Transmitter/Receiver Matched Set
  • License Free Radio Operation


  • Pump or Motor Control
  • Water Tank Level Control


The WFSX-900 Series Wireless Remote-Control Float Switch Control System is for remotely activating a pump from a distance up to 6 miles away from your water tank using license free wireless communication. The float switch transmitter input controls the SPDT 30A Relay in the receiver unit. 

Each system is sold as a factory programmed matched set. That means there is no field settings needed to operate right out of the box. Power for the transmitter or receiver can come from any external 12-14V DC power supply, battery or optional solar power system.

General Specifications
Radio Frequency: 900 MHz
Regulatory: FCC Part 15 (No license required)
Control Lines: 1
Antenna Connection: RP-SMA
Antennas: 7dbi, Omni-directional (Included)
Transmit/Receive Distance:
with included antennas: Indoor/Urban 600ft, Line-of-site 3 Miles
with optional antennas: Indoor/Urban 1600ft, Line-of-site 6 Miles
Transmitter/Receiver Code Matching: Factory set
Wire Connection: Terminal Blocks
Operating Temperature: -22 to 113 ºF (-30 to 45 ºC)
Enclosures: NEMA 4X, PVC

Switch Transmitter Specifications
RF Power Output: 250mW
RF Output Impedance: 50 Ohm nominal
RF Data Rate: 250 kbps
Operating Power 12-14V DC @ 3W max
Control Input Type: Dry-contact Float Switch (Included)

Relay Receiver Specifications
Receive Sensitivity: -110 dBm
Operating Power: 12-14V DC @ 3W max
Control Output: 30 Amp, 120/240V SPDT Relay

Float Switch Included
Mechanical Arrangement: Level Action
Cord Length: 12'
Contact Action: SPDT - 1 NO 1 NC
Activation Angle: 45°
Maximum Operating Temperature: 50°C
Protection Grade: IP68
For Use With: Drinking water, septic tanks

Regulatory Approvals

IC (Canada) - 1846A-XB900HP

Available Models

 Model No. Description Control Lines
WFSX-900--FS12F Industrial 2.4 GHz Wireless 1-Line Remote Control Float Switch Transmitter/Receiver Set 1

Long Distance Antenna Options

 Model No. Description
DRWC-900-LRANT Optional 900 MHz Long-Range Directional Antenna (up to 6 Miles line-of-site)

Note: This antenna option must be ordered to achieve 6 mile line-of-site operation.

Each Transmitter/Receiver Set includes standard antennas, 6ft. antenna extension cables, float switch and manual.