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