Specifications
SYSTEM SPECIFICATIONS   
Channels   320 channels 25kHz Step (N and U Bands) 
71 channels 25kHz Step (E Band)
Operating  Frequency   639.025–647 MHz
  798.025–806 MHz (not for use in the USA)
  863–865 MHz (not for use in the USA)
Frequency Type  F3E
Modulation Type  FM
Noise Reduction Type  Compander
Distance  100 meters line of sight
Audio Frequency Response  50Hz - 15KHz (+/- 3dB)
Dynamic Range  >100dB (IHF-A)
AR300 RECEIVER   
Oscillation System  VCO
Type of Reception  Double superheterodyne / True Diversity
Intermediate Frequency  10.7MHz
Antenna  1/4 Wavelength Rod TNC Type UHF - Extendable
Antenna Filter  SAW Filter
Output  1/4-inch Line and XLR Line/Mic 
LCD Display   47mm x 17mm Back Lighted Display (Frequency, 
Channel, Group, Absolute Channel, Anntena, AF, RF, 
Scan, IR Set)
Controls  EDIT Encoder/Button, Volume, Squelch
Operating Temperature  0°C - +50°C
Power Supply Voltage  AC Adatper 18V DC
Current Consumption  Less Than 150mA 
Receiving Sensitivity  More than S/N 60dB at 21 dBuV input
Squelch Sensitivity  Adjustable
T.H.D  1% Max (@AF 1kHz, RF 56dBuV)
Audio Output Level  -3dBv @1% THD (Maximum +7dBv)
Audio Output Impedance  10k ohms
Dimensions (L x W x H)   220.7mm x 179.38mm x 44mm (8.7” x 7.1” x 1.73”)
Weight  1.97 lb 
Specifications are subject to change without notice.
Specications
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