radio remote controller F21-4D for crane

F21-4D radio remote control set (transmitter and receiver)

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.

Size: L*W*H( 156*61*51)mm

Weight:320g (exclude battery)

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.

radio remote controller F21-4D for crane