Long Distance 3000m Four Ways Wireless Remote Control Switch Radio Module SK108 for Water Tank

Brand Name: G-NiceRF
Origin: Mainland China
Certification: NONE
Working Frequency: 433/470/868/915MHz
Port Number: 4
Model Number: SK108 wireless switch
Type: RF
Type: None
Working voltage: 9~18V
Channel: 16
line-in sight distance: 3000 m
Modulation mode: GFSK
Sensitivity: -121dBm
Output power: 1 W
Working temperature range: - 40 ~ + 85
Ways: 4