Product features
8 operation buttons, 7 single-speed buttons and one “STOP” 8 control contactors With battery voltage warning device, the power is cut off during low power Safety key switch to prevent from unauthorized user Set the internal functions by computer interface Up/down, east/west, north/south can be set as to mutual inhibition or not Spare key can be set to start, acceleration, toggle switch, general or other functionparameter
| Model | F21-12D |
| Key function | 12pcs double speed key&master/alarm bell&scram&rotate key |
| Level of protection | IP65 |
| Housing material | Glass fiber reinforced nylon |
| Usage temperature | -35℃ to +80℃ |
| Security code | 32 digit |
| Control distance | 100m(some products can be reach 200m) |
| Frequency range | VHF:310.0325-331.165MHz UHF: 425.5925-446.725MHz |
| Transmitting power | ≤10dBm |
| Receive sensitivity | ≥-110dBm |
| Sender power | DC 3v(2pcs alkalinity 5th battery) |
| Receiver power | AC/DC18~65v,AC/DC65~440V |