Walkie Talkie

MD-390 2

MD-390

Item number MD-390 General Frequency Range VHF:136-174MHZ   UHF:400-480MHz Channel 1000 Channels Channel spacing 12.5KHZ Operating voltage 7.4v Battery type Li-ion Operating temperature -30℃+60℃ Store temperature -40℃+85℃ Antenna Impedence 50Ω Audio output power ≤1000mW@16Ω Battery capacity 2200Mah standard Li-ion battery Dimension(H*W*D) 131*61*36mm Weight 258g Transmitter Output power High: ≤5W(HI)   Low: ≤1W(Low) Frequency stability +/-1.0ppm Adjacent channel Power ≤-60dB Free time slot power TDMA: ≤-57dBm Hum and Noise -40dB @ 12.5KHZ Spurious Radiation Antenna:9KHz-1GHz ≤-36dBm  /  1GHz-12.75GHz ≤-30dBm FM modulation mode 12.5KHZ:11K 0 F 3 E 4FSK digital mode 12.5KHZ(data only):7K60FXD 12.5KHZ(data+voice):7K60FXE Modulation Maximum Deviation 2.5KHZ@12.5KHZ Nonactive slot power -57dBm Digital protocol ETSITS102 361-1,-2,-3 Vocoder type AMBE+2TM Audio response +1dB~-3dB Modulation BER(Bit error rate) ≤5%  Receiver Analog sensibility 0.35uV/-116dBm(20dB SINAD) / 0.22 uV/-120dB m(Type) Digital sensibility 0.3 uV/-117.4dBm(BER 5%) / 0.7 uV/-110dBm(BER 1%) Co-channel Rejection ≥-12dB Spurious response TIA603C: 75dB  ETSI:  70dB Adjacent channel selectivity TIA603C: 65dB  ETSI:  60dB Rated audio power 1W Audio response =1dB~-3dB Rated audio distortion 3%(Type) Spurious radiation Antenna:9KHz-1GHz  ≤-57dBm / 1GHz-12.75GHz ≤-47dBm
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