PUXING PX-680D UHF 400-470MHZ Digital Radio Transceiver
PUXING PX-680D UHF 400~470MHZ Digital Radio Transceiver
Keys defined Voice function prompt，channel dial keys alarm(4 types alarm modes) high performance fast priority scan(TO/CO/SE) Whisper High performance DSP voice companding Scrambler Battery capacity measure and voice notice
- Man down alarm
- Voice function prompt，channel dial
- Keys alarm
- Whisper
- PTT ID
- Commercial 16CH
GENERAL
| |
Frequency Range
|
400-470Mhz
|
Operating Voltage
|
-20℃~+50℃
|
Operate Mode
|
Simplex or Semi-duplex
|
Dimension
|
132mm x 63mm x 33mm(Not included antenna)
|
Weight
|
263g(Including battery)
|
Antenna Impedance
|
50 Ω
|
TRANSMITTER
| |
Frequency Stability
|
±2.5PPM
|
Output Power
|
≤5W
|
Max Frequency Deviation
|
≤5KHz
|
Audio Distortion
|
≤5%
|
Modulation Character
|
+3dB~-3dB
|
Adjacent Channel Power
|
≥65dB
|
Spurious Radiation
|
≤7.5uW
|
Occupied Bandwidth
|
≤16KHz
|
RECEIVER
| |
Sensitivity
|
＜-120.0dBm
|
Audio Distortion
|
≤5%
|
Audio Response
|
+2dB~-10dB
|
Co-Channel Rejection
|
≥-8dB
|
Adjacent Channel Selectivity
|
≥55dB
|
Intermodulation Rejection
|
≥55dB
|
Spurious Response
|
≥55dB
|
Blocking
|
≥85dB
|
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