Factory Wholesale 5km Long Range Lora Transmitter 433MHz/868MHz/915MHz Controller Universal Remote Control

Blue shell long range 433MHz remote control KL5000-121. Overview KL5000-N is a super far distance bidirectional communication remote control series that developed by our company lately. There are 6 models according to different buttons sum 1,2,4,6,8,12. It adopts spread spectrum communication technology to increase the anti-jamming performance. American imports chipset and strict inspection ensure the quality and reliability. The measured operation range can be more than 6000m when the remote control is working with the specialized receiver module.  If the bidirectional mode is selected, the remote will instantly receive a feedback from the receiver. 2. Operation  1) Matching code Press learning button on the receiver module and hold on for 3 seconds, LED indicator lights. Then press any button on the remote control. When LED flashes twice, matching successfully.   2) Feedback Set Short-circuit S3 on the PCB of remote control, it receives feedback. When it receives the feedback, it will make a sound as "Di---" Otherwise, it does not.    Note: If feedback is selected, the remote control is going to receiving status after the button is released. The remote will not work whichever button is pressed. It will return normal in 1 second.    Please turn off the remote control when it is not in use for extended periods.     /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1