Specification
 
  • 128 channels , 4W/5W output power.
  • Voice prompting function , VOX function.
  • Emergency alarm & night lighting function.
  • Battery power check up.
  • CTCSS/DCS encode and decode.
  • FM radio
 

Technical Specifications 
General
 
Frequency Range VHF (FC-138) : 136-174MHz
UHF (FC-418) : 400-470MHz
 Channel Capacity 128 channels  
 Channel Spacing 25KHz(WideBand) 12.5KHz(NarrowBand)  
 Phase-locked Step 5KHz , 6.25KHz  
 Operating Voltage  7.4V DC }20% 
 CbatteryLife More than 14Hours(1700mAh) , by 5-5-90 working cycle  
 Frequency Stability }2.5ppm  
Operating Temperatare -20Ž`+55Ž 
 Size  195*56*30mm (with battery pack , no antenna) 
 Weight  185g(with battery pack , no antenna) 

Transmitting Part
 
  Wide band Narrow band
Power Output 5W (FC-138) / 4W (FC-418) 
 Modulation 16KƒÓF3E 11KƒÓF3E 
 Adjacent Channel Power †60dB  †60dB
 Hum & Noise †45dB  †40dB
 Spurious Emission …-36dB  …-36dB
 Audio Response 6dB/per interval 6dB/per interval
 Audio Distortion …5% 

Receiving Part
 
  Wide band Narrow band
Sensitivity(12dB SINAD) …0.25ƒÊV  …0.35ƒÊV
djacent Channel Selectivity †60dB  †60dB
Intermodulation †60dB  †60dB
 Spurious Rejection †80dB  †80dB
Audio Response 6dB /per interval  6dB/per interval
Hum & Noise †50dB  †45dB
Audio Distortion …5% 
Audio Power Output 500mW / 10% 












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