
| F21-4D Transmitter Parameters | ||||
| Material | Glass-Fiber PA | |||
| Enclosure protection class | IP65 | |||
| Frequency range | VHF: 310-331MHz (UHF: 425-446MHz is optional) | |||
| Transmitter power | ≤10dBm | |||
| Transmitter power supply | 2 AA alkaline batteries (not included) | |||
| Safety code | 32 bits (4.3billion) | |||
| Temperature range | -40ºC-+85ºC | |||
| Control distance | Approx 100m(200 meters is customized) | |||
| Size | 156x61x51mm | |||
| Weight | 255g (without battery) | |||
| F21-4D Receiver Parameters | ||||
| Material | Glass-Fiber PA | |||
| Enclosure protection class | IP65 | |||
| Frequency range | VHF: 310-331MHz; UHF: 425-446MHz | |||
| Receiver sensitivity | -110dBm | |||
| Receiver power supply | 18~65V AC/DC; 65~440V AC/DC (optional) | |||
| Safety code | 32 bits (4.3billion) | |||
| Temperature range | -40ºC-+85ºC | |||
| Output contactor capacity | 8A sealed relay output (with AC 250V/10A relays, 10A fuse) | |||
| Cable length | 1.65m (Other length can be customized) | |||
| Size | 205x86x80mm | |||
| Weight | 620g | |||