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Name:

car radio

Model: AT-778
Introduction:

DESCRIPTION
Frequency: 136~174MHz, 400~490MHz.
Function:
•512Channels
•Power:25W/15W/5W
•CTCSS/DCS
•SQ/VOL Voltage level display
•Amateur mode and professional mode
SPECIFICATION

General
Frequency Range VHF: 136-174MHz UHF: 400~490MHz
Number of Channels 512 channels
Channel Spacing 25K (Wide Band) 20K(Middle Band) 12.5K (Narrow band)
Phase-locked Step 5KHz, 6.25KHz, 8.33KHz, 10KHz, 12.5KHz, 20KHz, 25KHz, 30KHz, 50KHz
Operating Voltage 13.8V DC ±15%
Squelch Carrier/CTCSS/DCS
Frequency Stability ±5 ppm
Operating Temperature -20℃~+60
Dimensions(WxHxD) 112 (W) x 30(H) x 14.2 (L)mm
Weight about 0.51Kg
Specifications are subject to chage without notice due to advancements in technology


Receiver (ETSI EN 300 086 standard testing )
  Wide band Narrow band
Sensitivity (12dB Sinad) ”≤0.25μV ”≤0.35μV
Adjacent Channel Selectivity •≥60dB •≥60dB
Audio Response +1~-3dB(0.3~3KHz) +1~-3dB(0.3~2.55KHz)
Hum & Noise •≥45dB •≥40dB
Audio distortion ≤5%
Audio power output >2W@8Ω

Transmitter (ETSI EN 300 086 standard testing )
  Wide band Narrow band
Power Output 25W / 15W / 5W
Modulation 16KΦF3E 11KΦF3E
Adjacent Channel Power •≥70dB •≥60dB
Hum & Noise •≥40dB •≥36dB
Spurious Emission •≥60dB •≥60dB
Audio Response +1~-3dB(0.3~3KHz) +1~- 3dB(0.3~2.55KHz)
Audio Distortion ≤5%

ACCESSORIES

After carefully unpacking the transceiver, identify the items listed in the table below. We suggest you keep the box and packaging.

Begintime:2017-5-25 0:00:00
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