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Scanning Attention
YI-659

MAIN FUNCTIONS

1. Lock screen
2.Charging indicator
3.Power indicator
4.QT/DQT
5.Squelch level
6.Time-out timer
7.Timeout warning
8.Busy channel lockout
9. Battery power saving/power saving ratio

TECHNICAL SPECIFICATIONS

Frequency

400-470MHz

Operation Voltage

3.7V

Standby Current

≤50mA

Freq Error

±100Hz(Factory Error ±500Hz)

Transmit Power

≥0.7W

Transmit Current

≤0.75A

RX Sensitivity

SQL5,half the volume,-120dB open/sensitivity -20dB to 130dB closed

Voice Frequency Deviation(W)

1K/10mV2.4-3.4K

Max. Frequency Deviation(W)

1K/100mV, 5K±0.5K

Min. Frequency Deviation(N)

1K/100mV,1.8-2.4K

Modulation Sensitivity

7-20mv

Modulation Distortion

≤3

QT Frequency Deviation

(25K wide) 0.4K-1K  (12.5k narrow) 0.25-0.5K

DQT Frequency Deviation

(25K wide) 0.4K-1K  (12.5k narrow) 0.25-0.5K

Max. Output Note

1.6V±0.1V

Max. Audio Current

≤150mA

Max. Audio Power

≥0.4W

Audio Frequency Distortion 

≤5

Adjacent Channel Power

(wide) ≥-70dB  (narrow) ≥-60dB

Spurious and Harmonics

Second/Third Time≥-60dB


 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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