Detailed Answer
Common causes of shorter control distance: 1. Low battery (transmit power drops); 2. Loose/damaged antenna; 3. Receiver antenna position blocked by metal; 4. New interference sources nearby (walkie-talkies / other wireless devices); 5. High ambient humidity (signal attenuation); 6. Transmitter/receiver got wet or damp. Troubleshooting order: replace battery → check antenna → adjust receiver antenna position → check for interference sources. The LIDER LD series has a measured distance of 200 meters in the open; 100–150 meters inside a workshop is normal.
| Causes | Battery / antenna / blockage / interference |
| Troubleshoot | Battery → antenna → position |
| Reference | 100–150m in workshop |
Note:For a sudden drop in distance, first check battery and antenna, then the environment.