Bộ đàm cầm tay Puxing PX-300D
    | 
		dPMR radio PX-300D  |  
  | 
		Features and functions |  
  | 
		Size  |  
		131×63.5×39.5MM  |  
  | 
		Frequency Range |  
		136-174/400-470MHz  |  
  | 
		Channel capacity |  
		199CH  |  
  | 
		Output Power |  
		4W |  
  | 
		battery capacity |  
		1800mAh li-ion battery |  
  | 
		higher promoted spectrum utilization |  
		6.25khz FDMA system  |  
  | 
		digital codec=Vocoder Type |  
		AMBE+2C |  
  | 
		4FSK digital modulation |  
		4KCOFIE |  
  | 
		Feature1 |  
		Digital-analog compatible:analog-digital transition smoothly |  
  | 
		Feature2 |  
		Digital system/noise rejection/voice better/ digital single call/group call |  
  | 
		Feature3 |  
		secondary development interface and software upgrade  |  
  | 
		Feature4 |  
		digital encryption; |  
  | 
		Digital advantage than analog |  
		much clearer and encription voice |  
  | 
		Digital encryption key length |  
		32bits |  
  | 
		Bandwidth |  
		Narrow: 6.25KHz/ Wide:12.5KHz |  
  | 
		Antenna impedance |  
		50Ω |  
  | 
		Operating voltage |  
		7.4V  DC |  
  | 
		Operating temperature |  
		-20°C +55°C |  
  | 
		Weight |  
		330G |  
  | 
		Transmitter  |  
  | 
		Frequency Stability |  
		±3ppm |  
  | 
		Max Frequency Deviation |  
		±5KHZ |  
  | 
		Adjacent Channel Power |  
		-70dB(25KHZ spacing) |  
  | 
		audio frequency respone |  
		+3db--5dB/octave(300hz-3000hz) |  
  | 
		Audio Distortion |  
		5%(1khz AT60% deviation) |  
  | 
		FM hum and noise(EIA) |  
		40dB |  
  | 
		Receiver  |  
  | 
		RF Sensitivity |  
		≤-120dBm AT 12 SINAD(analog mode) 3%BER<0.25μV(digital mode) |  
  | 
		squelch sensitivity |  
		0.25μV(threshold) |  
  | 
		Adjacent Channel Selectivity |  
		70dB(25KHz spacing) |  
  | 
		Spurious response |  
		70dB |  
  | 
		intermodulation |  
		70dB(25KHz spacing) |  
  | 
		FM hum and noise |  
		45dB |  
  | 
		audio output power |  
		500mw(5%distortion,8Ωload) |  
  | 
		OEM/ODM |  
		support imprint your logo on products  |  
  | 
		Warranty |  
		1year for radio,6monthes for battery |  
  | 
		shipment |  
		FedEx/DHL/UPS 3-5days EMS/TNT 5-8days  |