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ENTEL DT985FF MED防爆对讲机及耳麦

General 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)  
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