一区二区三区欧美国产,亚洲AV网站在线,99这里只有免费费精品,免费中文字幕午夜福利片

  • <dfn id="deiob"></dfn>
    <object id="deiob"><tt id="deiob"></tt></object>
  • <object id="deiob"><tt id="deiob"></tt></object>

        <dfn id="deiob"></dfn>

        2688A
        Feature:Public network+analog+TransitFull network intercomTransmembrane transferSing/Group CallDual PTTPosition informationElectricity reportFM RadioOne click frequency matchingWireless replicationTYPE-C chargingSingle/Dual frequency standbySub audio encoding and decodingPublic/Private networkInterf…
        Introduction:
        Feature:
        Public network+analog+Transit
        Full network intercom
        Transmembrane transfer
        Sing/Group Call
        Dual PTT
        Position information
        Electricity report
        FM Radio
        One click frequency matching
        Wireless replication
        TYPE-C charging
        Single/Dual frequency standby
        Sub audio encoding and decoding
        Public/Private network
        Interference/compression
        GPS positioning(optional)
        Parameters:
        General specification:
        Frequency:400-470MHZ
        Channel space:25.0/12.5KHZ
        Frequency stability:±2.5 PPM
        Antenna impedance:50
        Capacity:3000mAh
        Channel number:200
        Work voltage:4.2V
        Work temperature:-20°C±55°C
        Weight:212g
        Size:63.2*37.8*100mm

        Private network technical indicators:
        Output power:2W
        Modulation:11KΦE3F@12 5KHZ 16KΦE3F@25KHZ
        Noise and Harmonics:-36dBm<1GHZ -30dBm>1GHZ
        Signal to noise ratio:40/45dB
        Radio distortion:<5%
        Emission stray:<-57dBm
        Sensitivity:<0.3uV(12dB SINAD)
        Channel selectivity:>60/65dB
        Intermodulation:≥60dB
        Spurious response:≥60dB
        Radio power:<2W
        Radio response:+1-3dB

        Public network technical specifications:
        Network standard:Telecom FDD-LTE::
        Unicom FDD-LTE
        Mobile TDD-LTE
        Module encapsulation:LTE-Cat1

        Frequency:

        FDD:B1/B3/B5/B8

        TDD: B34/B38/B39/B40/B41
        Radio distortion:< 5%
        Service platform:POC Global  REAL-PTT
        +86-595-82069888