مجموعة: Industrial Wireless Crane Remote Control

Series	Control Mode	Speed Mode	Control Channels	Application Scenarios	Price Tier
F21	Push-button single-speed	Single speed	4~6 basic channels	Mini simple electric hoists	Lowest
F23	Push-button dual-speed	Dual speed	8 standard channels	General single-girder overhead cranes	Medium
F24	Multi-channel push-button dual-speed	Multi-group dual speed	12 multi-function channels	VFD cranes, multi-motor heavy-duty machinery	Medium-High
F25	Dual joystick stepless control	Stepless speed regulation	Multi-channel analog output	Large high-precision lifting equipment	Highest

Glossary of Professional Terms

Control Mode: Operation method
Speed Mode: Speed shift setting
Control Channels: Output control circuits
Stepless speed regulation: Infinitely variable speed
VFD cranes: Variable frequency drive overhead cranes
Electric hoist: Lifting hoist
Overhead crane: Factory travelling crane
Analog output: Analog signal control
Multi-function channels: Auxiliary control circuits for lights, brakes and alarms

If you only operate small simple lifting equipment with limited budget → Choose F21
For ordinary single-girder overhead cranes and standard electric hoists in general factories → Choose F23 (best-selling model)
For VFD cranes, synchronous multi-motor equipment or units requiring extra auxiliary functions → Choose F24
For large gantry cranes that demand precise infinitely variable speed adjustment → Choose F25 joystick model