VX-820

 

General Specifications

VX-820V Series
VHF Highband

VX-820U Series
UHF Band

Number of Channels

16 or 512

Frequency Range

134-174 MHz 450-512  MHz

Groups

16 CH / 1 Group (w/o LCD version)
512 CH / 16 Groups (w/ LCD version)

Channel Spacing

12.5/15/20/25/30 KHz
(PLL Step 1.25/2.5/5/6.25/7.5 KHz)
12.5/20/25 KHz
(PLL Step 5/6.25 KHz)

Power Supply Voltage

7.4 VDC
Current Consumption
(Approx. @7.4 V)

30 mA (Standby w/saver)
75 mA (Standby)
200 mA (Receive)
1.7 A (Transmit)

30 mA (Standby w/saver)
75 mA (Standby)
200 mA (Receive)
1.9 A (Transmit)

Battery Life
(5-5-90 duty)

7 hours (w/ FNB-V86LI)
12 hours (w/ FNB-V87LI)

7 hours (w/ FNB-V86LI)
11.5 hours (w/ FNB-V87LI)

Ambient Temperature Range

-22° F to +140° F (-30° C to +60° C)

Frequency Stability

± 2.5 ppm

RF Input-Output Impedance

50 Ohms

Audio Output Impedance

16 Ohms

Case Size

2.3” x 3.8” x 1.5” (57.5 x 96.5 x 37.5 mm)

Weight (Approx.)

10.9 oz (310g) (w/FNB-V86LI, ATU-6, CLIP-920)

Dust and Water intrusion IP55

Water projected in jets against the enclosure from any direction shall have no harmful effects.

Dust and Water intrusion
IP57

Ingress of water in quantities causing harmful effects shall not be possible when the radio is submersed for 30 minutes at a depth of 3 feet.

Receiver Specifications

Measurements made per EIA standard TIA/EIA-603

Circuit Type

Double Conversion Super-heterodyne

Sensitivity
   EIA 12 dB SINAD 
0.25 µV/0.32 µV (W/N) 0.25 µV/0.32 µV (W/N)
Adjacent Channel Selectivity   

75/70 dB (W/N)

75/70 dB (W/N)

Intermodulation

75/70 dB (W/N)

75/70 dB (W/N)

Spurious Response Rejection

75 dB

75 dB

Spurious Emissions

–57 dBm

–57 dBm

Hum and Noise

48/42 dB (W/N)

48/42 dB (W/N)

Audio Output

700 mW @ 16 ohms 5% THD

Transmitter Specifications

Measurement made per EIA standard TIA/EIA-603

Power Output

5 / 2.5 / 1 / 0.25 W (Software Selectable)

Modulation

Direct FM (16K0F3E/11K0F3E)

Maximum Deviation

±2.5 / ±4.0 / ±5.0 KHz

Spurious Emissions

–36 dBm @under 1 GHz
–30 dBm @above 1 GHz

FM Hum and Noise

45/40 dB (W/N)

Audio Distortion

Less than 3% @ 1kHz

Microphone Type

2k Ohm condenser

  

Copyright © 1997-2007 Germano Lopes & Cia. Lda.