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you can replace the antenna on the receiver
1) Press the button "ON" of the transmitter
Operating Voltage: 12V (12V Rechargeable Lithium Battery)
and connect another normally open limit switch to terminals <Sensor 2-> and <Limit input 2>
Triggering method: When input terminals get DC voltage signal
10~80V 10A Wireless RF Switch Receiver 4-CH DC Power Output 3 mi (Model: 0020223) Choose Antenna For Receiver::External Telescopic Antenna you can replace the antennaNote: This product does not include a remote control transmitter, if you need it, please click the link of the remote control transmitter in the description below to buy. Package Include: 1 x Receiver: S4XW DC ANT3 1 x User manual Introduction: This receiver is a super long range remote switch. It is developed by LORA (Long Range) wireless communication technology, so it has ultra long working distance, ultra high receiving sensitivity, superior anti
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