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Scanning Attention
YI-879D
 MAIN FUNCTION
 
▶ Digital DMR and Analog mode
▶Press PTT to exit VOX/VOX delay)
▶Voice guide: Chinese/English
▶ PC Programmable
▶ DMR Dual Time Slot
▶ Full Frequency Channels +3000 Storage Channels
▶Strong and stable power output( VHF:5W UHF:4W)
▶Priority channel scan
▶Group call, all call, privite call
▶Wide/Narrow band( 25KHz, 12.5KHz)
▶ Save battery
 
SPECIFICATION TECHNOLOGY 
 

General Specifications

Receiver

 

Frequency range

VHF:136-174MHz or UHF:400-520MHz

Analog sensitivity

0.35μV/-116dBm(20Db SINA)

Channel capacity

1000 channels

0.22μV/-120dBm(Type)

Channel spacing

12.5KHz

Digital sensitivity

0.3μV/-117.4dBm(BER5%)

Operating voltage

7.4V

0.7μV/-110dBm(BER1%)

Battery type

Lithium battery Li-on

Co-channel rejection

-12dB

Operating temperature

-30-+60

Channel selectivity

TIA603C:65 dB ETS1:60 dB

Antenna impedance

50Ω

Response rejection

TIA603C:75 dB ETS1:70 dB

Audio power output

500mW

Audio power output

500mW

SizeH*W*D

135*55*33(except antenna)

Audio distortion

3%Type

Audio response

=1dB-3dB

Transmitter

TX power

HighUHF:5W  VHF:4W

Modulation deviation

2.5KHz@12.5KHz 5KHz@25KHz

Middle3W

Digital protocol

ETSITS 102 361-1-2-3

Low1W

Vocoder type

DVSI

Frequency stability

±1.0ppm

Modulation BER(bit error rate)

5%

Adjacent power

60dBm@12.5KHz 65dBm@25KHz

4FSK Digital mode

12.5KHz(digital only)7K60FXD

FM modulation

12.5KHz@11KOF3E 25KHz@16KOF3E

12.5KHz(digital+voice)7K60EXE

 
ACCESSORY