1.8GMz UHF dual channel diversity technology
    
Auto-detaction for interference-free channels
    
10 different groups, which have 16 interference-free channels.
    
Digital volume & SQL control for easily operating
    
Operating distance is about 80m
    
Orange LCD display with blue backlight
    
Build-in four channels antenna distributor                    
                 
                
                
                
                    
                                                                                
                            
                                Complete System
                                
                                                                                                                    
                                        -  
                                            Model No.
                                            GHD-1820
                                        
 
                                        
                                                                                
                                        -  
                                            Oscillation Mode
                                            PLL Synthesized
                                        
 
                                        
                                                                                
                                        -  
                                            Frequency Range
                                            1875-1800MHz
                                        
 
                                        
                                                                                
                                        -  
                                            Switching Bandwidth
                                            15MHz
                                        
 
                                        
                                                                                
                                        -  
                                            Peak Deviation
                                            ±55KHz
                                        
 
                                        
                                                                                
                                        -  
                                            Audio Output Level
                                            6dBu max
                                        
 
                                        
                                                                                                            
                             
                            
                                                        
                            
                                Receiver
                                
                                                                                                                    
                                        -  
                                            Model No.
                                            GHD-1820R
                                        
 
                                        
                                                                                
                                        -  
                                            Receiving Mode
                                            Single Channel, Diversity
                                        
 
                                        
                                                                                
                                        -  
                                            Frequency Response
                                            60Hz~16KHz
                                        
 
                                        
                                                                                
                                        -  
                                            Sensitivity
                                            -90dBm
                                        
 
                                        
                                                                                
                                        -  
                                            S/N Ratio:.
                                            102dB
                                        
 
                                        
                                                                                
                                        -  
                                            Selectivity
                                            > 80dB
                                        
 
                                        
                                                                                
                                        -  
                                            THD
                                            <0.8%
                                        
 
                                        
                                                                                
                                        -  
                                            Dynamic Range
                                            95dB
                                        
 
                                        
                                                                                
                                        -  
                                            Power Supply
                                            12~18V DC/300mA
                                        
 
                                        
                                                                                
                                        -  
                                            Dimensions
                                            212*160*44mm
                                        
 
                                        
                                                                                
                                        -  
                                            Weight
                                            550g
                                        
 
                                        
                                                                                                            
                             
                            
                                                        
                            
                                Transmitter
                                
                                                                                                                    
                                        -  
                                            Model No.
                                            GHD-1800H, Handheld Transmitter
                                        
 
                                        
                                                                                
                                        -  
                                            Model No.
                                            GHD-1800B, Bodypack Transmitter
                                        
 
                                        
                                                                                
                                        -  
                                            Frequency Response
                                            60Hz~16KHz
                                        
 
                                        
                                                                                
                                        -  
                                            S/N Ratio:.
                                            101dB
                                        
 
                                        
                                                                                
                                        -  
                                            THD
                                            < 1%
                                        
 
                                        
                                                                                
                                        -  
                                            Spurious Rejection
                                            >50dBc
                                        
 
                                        
                                                                                
                                        -  
                                            Max Input Voltage
                                            500mV(H) / 1500mV(B)
                                        
 
                                        
                                                                                
                                        -  
                                            RF output Power
                                            GHD-1800H: 30/10/5mW
                                        
 
                                        
                                                                                
                                        -  
                                            RF output Power
                                            GHD-1800B: 20/10/5mW
                                        
 
                                        
                                                                                
                                        -  
                                            Dimensions
                                            GHD-1800H: 250*53mm
                                        
 
                                        
                                                                                
                                        -  
                                            Dimensions
                                            GHD-1800B: 100*85*25mm
                                        
 
                                        
                                                                                
                                        -  
                                            Weight
                                            GHD-1800H: 350g / GHD-18001B: 95g