Bộ đàm cầm tay Puxing PX-300D
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dPMR radio PX-300D |
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Features and functions |
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Size |
131×63.5×39.5MM |
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Frequency Range |
136-174/400-470MHz |
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Channel capacity |
199CH |
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Output Power |
4W |
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battery capacity |
1800mAh li-ion battery |
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higher promoted spectrum utilization |
6.25khz FDMA system |
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digital codec=Vocoder Type |
AMBE+2C |
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4FSK digital modulation |
4KCOFIE |
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Feature1 |
Digital-analog compatible:analog-digital transition smoothly |
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Feature2 |
Digital system/noise rejection/voice better/ digital single call/group call |
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Feature3 |
secondary development interface and software upgrade |
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Feature4 |
digital encryption; |
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Digital advantage than analog |
much clearer and encription voice |
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Digital encryption key length |
32bits |
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Bandwidth |
Narrow: 6.25KHz/ Wide:12.5KHz |
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Antenna impedance |
50Ω |
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Operating voltage |
7.4V DC |
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Operating temperature |
-20°C +55°C |
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Weight |
330G |
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Transmitter |
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Frequency Stability |
±3ppm |
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Max Frequency Deviation |
±5KHZ |
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Adjacent Channel Power |
-70dB(25KHZ spacing) |
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audio frequency respone |
+3db--5dB/octave(300hz-3000hz) |
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Audio Distortion |
5%(1khz AT60% deviation) |
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FM hum and noise(EIA) |
40dB |
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Receiver |
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RF Sensitivity |
≤-120dBm AT 12 SINAD(analog mode) 3%BER<0.25μV(digital mode) |
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squelch sensitivity |
0.25μV(threshold) |
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Adjacent Channel Selectivity |
70dB(25KHz spacing) |
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Spurious response |
70dB |
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intermodulation |
70dB(25KHz spacing) |
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FM hum and noise |
45dB |
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audio output power |
500mw(5%distortion,8Ωload) |
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OEM/ODM |
support imprint your logo on products |
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Warranty |
1year for radio,6monthes for battery |
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shipment |
FedEx/DHL/UPS 3-5days EMS/TNT 5-8days |