江蘇佐歐自控科技有限公司
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ENTEL DT985FF MED防爆對講機及耳麥
更新時間:2023-06-30 訪問統計:580General
| Frequency Range | UHF 450 – 470MHz |
| Channels | Marine UHF |
| Channel Spacing Analogue / Digital | 25 KHz / 12.5 KHz |
| Battery | CNB950EV2 1800mAh Lithium-ion |
| Overall Dimensions (HxWxD) | 138mm x 60mm x 38mm |
| Frequency Stability | ±0.5ppm |
| Operating Voltage | 7.4v |
| Programmable Buttons | 3 |
| Battery Endurance (5/5/90 - Analog Mode) | 16 hours |
| Battery Endurance (5/5/90 - DMR Mode) | 18 hours |
Transmitter
| Output Power | 1 Watt |
| Modulation Limiting | ±5.0KHz / ±2.5KHz |
| FM Hum and Noise | >-45dB / >-40dB |
| Unwanted Emissions | >0.25uW |
| Adjacent Channel Power | 70dBc / 60dBc |
| Audio Response (FM) | 300Hz to 3KHz -6dB /Octave |
| Audio Distortion | <5% |
| FM Modulation | 16K0F3E / 8K0F3E |
| 4FSK Digital Modulation | 7K60FXE / 7K60FXD |
Receiver
| Digital Sensitivity | -116dBm (0.2uV) for 5% BER |
| Analogue Sensitivity | -116dBm (0.2uV) for 12dB SINAD |
| Intermodulation Response | >68dB |
| Adjacent Channel Selectivity | >70dB / >60dB |
| Spurious Rejection | >70dB |
| Rated Audio Power | 2 Watts |
| Audio Distortion | <5% |
| Hum and Noise | >-45dB / >-40dB |
| Audio Response | 300Hz to 3KHz -6dB /Octave |
| Conducted Spurious Emissions | <2nW from 30MHz to 2GHz |
Environmental
| Ex Protection | ATEX II 2G Ex ib IIC T4 Gb |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Thermal Shock, Humidity, Shock & Vibration, Packing Test, Drop Test | Compliant MIL-STD-810 C/D/E/F/G |
| Dust & Liquid Ingress | IP68 (2m 4h Submersible) |
End
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