Extended Long range wireless remote control switch
Amazon.com: Long Range Wireless Pump Control Kit 4 Channel Monitoring or Controller 12V, Solar Ready 433MHz : Electronics
Migro Xtended Range MX Modules Additional Transmitter - ElectroMarketplace
Industrial Wireless 2 Ch Channel Supervised Controller, Electrodepot with Yagi Transmitter and Receiver Kit, Pump or Lighting Control, Control 3 Mile: Amazon.com: Tools & Home Improvement
Migro Extended Range | Linear Wireless
Amazon.com: Migro- Xtended Range Wireless Controls- Linear XT-4 & XR-4 Replacement- Wireless Gate Access (Complete System Transmitter (MXT-4) and Receiver (MXR-4) w/2 Short Range Antennas) : Tools & Home Improvement
Migro WC Kit 433 MHz 4 Channel Monitoring or Controller, Long Range Wireless Pump Control Kit 12VDC, NEMA 4, Solar Ready
Wireless Control, Electrical Wireless Solutions | Linear Wireless
Migro- Xtended Range wireless controls- Linear XT-4 & XR-4 Replacement- Wireless Gate Access (Complete System Transmitter (MXT-4) and Receiver (MXR-4) w/2 Mid Range Antennas) - Walmart.com
Extended range wireless control modules
Electrodepot Wireless Pump Controller, Remote Tank Level Control Long Range 120V 220V AC, 12VDC 943301 - Amazon.com