GD400BH - High rate radio modem - Products Center - 深圳市固迪电子有限公司 


    GD400BH

    Air Rate: 9600 / 19200 bps

    RF Output Power: 7.5 W

    Frequency: 400 - 470 MHz

    Dimensions:125x76x34mm

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    A small size wireless data transceiver operating at 400 MHz frequency band with air rate of 9600 bps and 19200 bps. Maximum RF output power is 7.5 watts and can be programmed from 7.5 watts down to 1 watt with five levels. It is easy to integrate for system integrator.

    ◆ General

    _Frequency Range _400 - 430MHz, 450 - 470MHz
    _Channel Capacity _60
    _Channel Spacing _25KHz
    _Frequency Stability _±2.0ppm (-40 to +70°C)
    _Operating Voltage _DC 11V to 14V ( Typical 12V )
    _Current Drain _Standby:  <90mA

    _Receive:  <120mA

    _Transmit @ 7.5W:  <1.8A @12V power supply

    _Transmit @ 1.5W:   <0.9A @12V power supply

    _Antenna Impedance _50 ohm unbalanced
    _Dimensions (WxHxD) _125mmx76mmx34mm
    _Weight _370g
    _Operating Temperature _-40°C - +70°C


    ◆ Receiver

    _Type of Receiver _Double, super heterodyne
    _Intermediate Freq. _45MHz(1st IF), 455KHz(2nd IF)
    _Sensitivity _0.2 μV @12dB SINAD
    _Squelch Sensitivity _0.25uV
    _Adjacent Channel Selectivity _greater than –70dB
    _Spurious and Image Rejection _greater than –70dB
    _Intermodulation _65dB
    _Output Audio Distortion _3% at 1KHz for ±3KHz deviation


    ◆ Transmitter

    _RF Output Power _7.5W, 6W, 4W, 2W and 1W, programmable for GD400BH-7.5

    _1.5W, 1W, 0.6W, 0.3W and 0.1W, programmable for GD400BH-1.5

    _Maximum Frequency Deviation _±5KHz
    _Output  Harmonic _less than –65dB
    _Spurious Emissions _less than 0.25uW (30MHz to 1GHz)
    _Distortion _≤2.5%
    _Transmitter Attack Time _<5ms



    Data and Interface

    _Modulation

    _GMSK or 4-FSK selectable

    _Air Rate

    _9600bps for GMSK

    _19200 and 9600 for 4-FSK programmable

    _Interface Baud Rate
    _300 - 38400 bps programmable
    _Interface Data Bit
    _8 or 7 bits programmable
    _Interface Parity Bit
    _None / Even / Odd programmable
    _Interface Stop Bit
    _1 bit or 2 bits programmable


    Serial Port Utility is a free communication software for serial port. Serialport Utility makes it more efficient for development of hardware-software application. It can send and receive data in high speed. Data can be viewed in Text, Hex and decimal format. Data can be sent automatically with flexible auto sending rules.

    Configuration

    1. Power Cord

    2. 232 Interface cables (For RS-232 interface radio modem) or

    __485 Interface cables (For RS-485 interface radio modem)


    Options

    1. Antennas

    2. RF Cables

    3. Power Supply

    4. Coaxial Lightning Arrestor

    5. Handset

    6. Programmer

    7. Interface Adapter


    Model

    Frequency Range

    Air Rate

    RF Output Power

    Dimensions

    Current

    GD400BH

    400 - 470MHz

    9600/19200bps

    7.5W / 1.5W

    12.5x7.6x3.4 cm

    Similar

    Model

    GD400HH

    400 - 470MHz

    9600/19200bps

    25W / 8W

    14.5x10.9x4.1 cm

    GD400B

    400 - 470MHz

    4800/2400/1200bps

    7.5W / 1.5W

    12.5x7.6x3.4 cm

    GD230BH

    223 - 235MHz

    9600/19200bps

    10W / 1.5W

    12.5x7.6x3.4 cm

    GD150BH

    136 - 174MHz

    9600/19200bps

    10W / 1.5W

    12.5x7.6x3.4 cm