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YAESU VX400  Askeri Standartlarda  58x101.6x25.4 mm ebatlarında  Dünyadaki Profesyonel En Küçük El Telsizi Bazı özellikleri: Çıkış gücü : 5 Watt, Kanal aralığı : 12.5 / 25 KHz. Kanal Sayısı : 16 Ağırlık : Batarya ile 320 gram. Boyutlar : 58 X 101.6 X 25.4 mm  Batarya : 1100 mAh.

DETAYLI ÖZELLİKLERİ :

    General Specifications

                       Number of Channels: 16 Channel (8+8)
                       Frequency Range:134-160 MHz (A)
                                                  146 - 174 MHz (C)
                                                  400-430 MHz (AS1)
                                                  440 - 470 MHz (CS)
                       Maximum Channel Spread:  26 MHz (A, C)
                                                                 30 MHz (AS1)
                                                                 35 MHz (D)
                                                                 27 MHz (F)
                       Channel Spacing: 12.5 / 25 kHz
                       Power Supply Voltage:  7.2 V DC
                       Current Consumption:
                       Standby (Saver on)         20 mA
                       Standby (Saver Off)       50 mA
                       Receive                        180mA
                       Transmit (Hi)               1600mA (2000mA UHF)
                       Ambient Temperature Range: -30ºC to +60ºC
                       Frequency Stability:  ±5 ppm
                       RF Input-Output Impedance: 50 ohms
                       Audio Output Impedance: 4 ohms
                       Dimensions: 101.6 x 58 x 25.4 mm
                       Weight: 320 g w/FNB-V57

     Receiver Specifications

                       Measurements made per EIA standard TIA/EIA-603
                       Circuit Type:  Double Conversion Superheterodyne
                       Sensitivity: VHF / UHF
                       EIA 12 dB SINAD: 0.20 µV / 0.25 µV
                       20 dB Quieting: 0.30 µV / 0.35 µV
                       Threshold Squelch: 0.18 µV / 0.2 µV
                       Adjacent Channel Selectivity:
                       12.5 kHz channel spacing: 60 dB
                       25/30 kHz channel spacing: 70 dB
                       Intermodulation: 70 dB / 65dB
                       Spurious and Image Rejection: 70 dB
                       Conducted Spurious Emissions: -57 dBm
                       Audio Response: +3 / -8 dB from the 6 dB / oct. De-emphasis curve
                       Audio Output: 0.5 W into 4 ohms w / <5% THD
                       Hum and Noise: 45 dB

     Transmitter Specifications

                       Measurements made per EIA standard TIA/EIA-603
                       Power Output: 5 / 2.5 / 1 / 0.1 W or 3.5 / 1 W w/FBA-25
                       Modulation: 16KOF3E / 11KOF3E
                       Maximum Deviation: ±5 kHz (±2.5 kHz optional)
                       Conducted Spurious Emissions: 65 dBc
                       FM Hum and Noise: 40 dB
                       Audio Response: +1 / -3 dB from the 6 dB / oct. Pre-emphasis curve
                       Audio Distortion: <2.5%

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