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500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode

    Buy cheap 500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode from wholesalers
     
    Buy cheap 500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode from wholesalers
    • Buy cheap 500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode from wholesalers

    500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode

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    Brand Name : Ding Shen
    Model Number : DS-RM304
    Price : Negotiation
    Payment Terms : T/T
    Supply Ability : 1000PCS per month
    Delivery Time : 3-7 days
    • Product Details
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    500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode


    Features:


    Use TCXO and digital PLL advanced technologies, high stability;

    Integration of transceiver, both digital and analog signals can be send and switch quickly;

    Steady outsell, good hidden and stronger anti-interference;

    Industrial designees, work temperature: -40~+70°C;

    Several kinds of interfaces for choice: RS-232, TTL, RS-485;


    Application:


    Remote reading system of water, electric and gas supply;

    Building Automation, security & protection, devices monitoring and access control

    system;

    Wireless calling system;

    Spot management, station management;


    Specification:


    Frequency: VHF/UHF ( 223-235MHz )

    Power: 500mW

    Frequency stability: ± 2.5ppm

    Mode: half-duplex

    Channel spacing: 25KHz

    Voltage: DC 12V ( Customized )

    Transmission distance: 2km


    Transmitter indicator:


    RF Output: 500mW

    Adjacent channel power ratio: ≥70dB

    Modulation Distortion: ≤3%

    Modulation Sensitivity: 5mV

    Current: ≤300mA

    Size: 70*46*8mm


    500mW FSK Wireless Data Modem VHF / UHF Transceiver Module Long Range


    Interfaces definition:


    NameDescriptionLevelRemark
    1VCCDC

    12 V


    DC 12V ( as good in range 7.5~15V), or customized
    2
    3GNDGND--------------------------
    4
    5A(TXD)RS-485 A or TXD of RS-232Either RS-485 or RS-232
    6B(RXD)RS-485 B or RXD of RS-232
    7PTTTransmit controlTTLLow level validity
    8MICAudio input--------Recommend 1K-2K, -27dB sensitivity of microphone
    9SPAudio output8Ω 0.5
    10SQReceiving indicationTTLHigh-level

    6 Complete set of equipment:


    1. One module of KP-RM304;

    2. 10 pin flat connector;

    3. A whip antennas ( about 10cm)


    7 Antenna appearance structure:


    Many appropriative antennas for low power RF modules are selected to meet different user’s antenna configuration. Please ask our Sales office for further information about the antenna’s dimension and performance. The main options of antennas are exterior flabelliform rubber antenna with helical SMA joint, small osculum antenna, small rod antenna and elbow antenna. If the user has special demands on antennas, we can design and produce individually.


    500mW FSK Wireless Data Modem VHF / UHF Transceiver Module Long Range

    Quality 500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode for sale
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