Magnetic Mount Sucker RF Antenna with 5m Cable and SMA Connector (Model: 0020914) 3A With limit control terminals: You

With limit control terminals: You can connect limit switches or sensors to stop the motor

such as model C-1 (100 meters / 300 feet range)

which is equivalent to the function of the black button on the transmitter

Release button of remote control 2: The relay 2 is deactivated

Magnetic Mount Sucker RF Antenna with 5m Cable and SMA Connector (Model: 0020914) 3A With limit control terminals: YouFeatures: Model No.: 0020914 Frequency Range: 300~450MHz Impedance: 50 Antenna Length: 15cm Cable Length: 500cm Anti interference, waterproof, shielded wire set inside Magnetic stand design for easy to install With SMA male connector with internal thread Application: Used for wireless switch receiver and RF transmitter.