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| Specification Explosion-proof level Gas explosion protection: Ex ib IIB T4 Gb Dust explosion protection: Ex ib D21 T130 General specifications Frequency range: 136-174MHz, 350-400MHz, 400-480MHz Number of channels: 1024 Area: 248 Working mode: normal (digital/analog), cluster (DMR/PDT/MPT) Channel spacing: 25/20/12.5 kHz Size/weight: 130*56*41mm 400g Voltage: 7.4V Battery capacity: 3200mAh Receiver specifications Frequency stability: ±0.5ppm Sensitivity: Analog (12dB SINAD): 0.22μv Digital (BER5%): 0.3μv Adjacent channel selectivity: ≥60dB@12.5KHz, ≥70dB@20/25KHz Intermodulation: ≥65dB@12.5KHz/20/25KHz Spurious response suppression: ≥70dB@12.5/20/25KHz Blocking: ≥84dB Receiving signal-to-noise ratio: ≥40dB@12.5KHz, ≥43dB@20/25KHz, ≥45dB@25KHz Rated audio: 1W Rated audio distortion: ≤3% Audio response: +1~-3dB Conducted spurious emissions: ≤-57dBm@<1GHz, ≤-47dBm@>1GHz Transmitter specifications Output power: ≤3.5W FM modulation method: 11K0F3E@12.5kHz, 14K0F3E@20kHz, 16K0F3E@25kHz 4FSK digital modulation method: Data: 7K60F1D&7K60FXD Voice: 7K60F1E&7K60FXE Voice and data: 7K60FXW Conducted/radiated emissions: ≤36dBm@<1GHz, ≤-30dBm@>1GHz Modulation limits: ±2.5KHz@12.5KHz, ±4.0@20KHz, ±5.0KHz@25KHz Transmission signal-to-noise ratio: ≥40dB@12.5KHz, ≥43dB@20KHz, ≥45dB@25KHz Adjacent channel power: ≥60dB@12.5KHz, ≥70dB@20/25KHz Rated audio distortion: ≤3% Audio response: +1~-3dB Environmental indicators Working temperature: -20ºC to +50ºC Storage temperature: -40ºC to +85ºC Waterproof and dustproof: IP68 ESD electrostatic protection level: IEC 61000-4-2 (Level 4) US Standard: MIL-STD-810 C/D/E/F/G National standard: GJB150A-2009 |
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