Name: F21-4D radio remote control set (transmitter and receiver)
Application: single hook hoist, single speed cucurbit, double speed cucurbit crane, garbage truck, electro motion door and electromotor.
The feature of transmitter:
6 buttons: 4 double speed button +1 urgent stop button+ 1 “start” button.
Battery： 2 pcs 1.5V AA Alkaline.
Battery safety protect: it auto power off when power is not enough.
Safety key is used to avoid usage by unauthorized.
The feature of receiver:
Size: L*W*H（ 185*85*85）mm.
Weight：550g （include 1.5meter cable）
Input voltage: AC 24/48/110/220/380V, DC 12/24/48V.
General specification:
Frequency: 310.3-331.2 MHz
Frequency control: quartz crystal
Output terminal: full sealed relay 20A/250V (passive switch signal).
Structure: glass fiber
Receiving high frequency: sensitivity ＞-110dBm
Transmitting high frequency: output power＜4dBm
Reaction rate: 0.065s.
Protection: IP65
Operation distance: 100 meters
Convenient “Windows” port to operate and copy function.
UP/Down; East/West keys can be set to mutual rejection.
The key” Start” function can set to start, skip or common by computer.
Surpass 4.3 billion Identity code memory.
Temperature -30 to +80 degrees.
Low energy: 2 pcs AA battery using one month.
Special anti-vibration design for moving equipment.
