Read this operating instruction carefully
before using your Retevis RT628 two way
radio, including the part on Product Safety
and RF Energy Exposure Compliance
CAUTION
1
RT-628
High/Low Power
Headphone Plug/
Microphone jack
Antenna
Key Lock
Scanning
Roger Beep Icon
CTCSS
TX/RX Icon
VOX
Up/Monitor Button
Menu/Lock Button
Up Button
Battery Level
PTT Button
Channel/Menu
Item
Power/Scan
Button
Down Button
MIC
Speaker
Product Features
Product number
Frequency range
Channel number
Channel spacing
Working voltage
Frequency stability
Operating temperature range
The antenna impedance
Overall dimensions
Weight
TECHNICAL PARAMETERS
Rf power
Modulation method
Noise and harmonic
Residual Radiation
Modulation distortion
Maximum deviation
RT628
FRS
22
12.5KHz
3.6V
±2.5ppm
-20℃~50℃
50Ω
160*55*28mm
90g
0.5W
11kΦF3E
<-40dB
≤-35dB
≤7%
≤±5KHz
TRANSMITER
The sensitivity
Modulation receiver bandwidth
Adjacent selective
Intermodulation interference resistance
Spurious response inhibition
Audio output power
Audio distortion
≤0.2uV
±5KHz
≥40dB
≥35dB
≥70dB
≥300mW
≤8%
RECEIVER
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