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WTR-670/A2







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Single-Channel Frequency-Agile UHF Wireless Intercom Beltpack. Tx: 518-536 MHz Rx: 632-650 MHz



  •   Especificaciones


  • Technical Specifications
    BELTPACK
    RF Frequency Range: 518 - 608 MHz, 614 - 686 MHz in 18 MHz TX and RX bands
    WTR-670: G9 band, 844-862 MHz Tx, Germany only
    Power Requirement: 6 Alkaline “AA” Cells (NiMH optional)
    Typical Battery Life Alkaline: 14 Hours (Continuous duty with talk light on)
    Typical Battery Life - Nickel Metal Hydride (1500 mAh): 11 Hours (Continuous duty with talk light on)
    Current Draw: 140 mA (Push-to-Talk, Talk On)
    Temperature Range: -4oF to 140oF (20oC to 55oC)
    Dimensions: 3.75” W x 5.05” H x 1.65” D (9.5 cm x 12.8 cm x 4.2 cm)
    Weight: 16 oz. (0.454 kg) with batteries 15 oz. (0.425 kg) with batteries
    Transmit Antenna: 1/4 Wave (supplied), Screw type
    Receiver Antenna: 1/4 Wave (supplied), Screw type
    FCC ID: B5DM515
    Frequency Response: 300 Hz - 8,000 Hz
    Four-Wire Input: N/A
    Four-Wire Output: N/A
    Clear-Com® Party-line Levels: N/A
    RTS® Party-line Levels: N/A
    Telex® Party-line Levels:N/A
    Auxiliary Input: N/A
    Auliliary Output: N/A

    TRANSMITTER
    Type: Synthesized, 720 channels
    Transmit Power: WTR-680/WTR-670: 50 mW max. (auto-power reduction when close to base)
    RF Frequency Stability: 0.005%
    Modulation: FM, 40 KHz Deviation
    Modulation Limiter: Peak-Responding Compressor
    Modulation Frequency Range: 300 Hz -8,000 Hz +-2 dB
    Microphone Audio Input: 30 W - 3,500 W
    Microphone Input Sensitivity: 9 mV
    Radiated Harmonics & Spurious: Exceeds FCC specifications
    FCC Acceptance: Type accepted under FCC Part 74

    RECEIVER
    Type: Dual Conversion Superheterodyne, Synthesized, FM, 720 channels
    RF Sensitivity: <0.7 mV for 12 dB SINAD
    Signal-to-Noise Ratio: 95 dB
    IF Selectivity: 3 dB at 230 KHz
    Image Rejection: 70 dB or better
    Squelch Quieting: 95 dB
    RF Frequency Stability: 0.005%
    Distortion: <1% at full deviation
    Local Headset Output: 40mW output into 600 W (1% distortion)
    FCC Acceptance: Notification under FCC Part 15



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