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High rate middle range radio modems brands - MvqLm520 - 26-03-2018 03:44 AM
GD400HH
Air Rate: 9600 / 19200 bps
RF Output Power: 25 W
Frequency: 400 - 470 MHz
Dimensions:145x109x41mm
A professional wireless data transceiver operating at 400 MHz frequency band with air rate of 9600 bps and 19200 bps. Maximum RF output power is 25 watts and can be programmed from 25 watts down to 5 watts with five levels. It is suitable for long range data communications.
◆ General
Frequency Range400 - 430MHz, 450 - 470MHz
Channel Capacity60
Channel Spacing25KHz
Frequency Stability±2.0ppm (-40～+70℃)
Operating VoltageDC 11V to 14V (Typical 12V )
Current DrainStandby:<90mA
Receive:<120mA
Transmit @ 25W:<5.5A @12V power supply
Transmit @ 8W:<2.0A @12V power supply
Antenna Impedance50 ohm unbalanced
Dimensions (WxHxD)145mmx109mmx41mm
Weight770g
Operating Temperature-40℃~+70℃
◆ Receiver
Type of ReceiverDouble, super heterodyne
Intermediate Freq.45MHz(1st IF), 455KHz(2nd IF)
Sensitivity0.2 μV @12dB SINAD
Squelch Sensitivity0.25uV
Adjacent Channel Selectivitygreater than –70dB
Spurious and Image Rejectiongreater than –70dB
Intermodulation65dB
Output Audio Distortion3% at 1KHz for ±3KHz deviation
◆ Transmitter
RF Output Power25W, 20W, 15W, 10W and 5W, programmable for GD400HH-25
8W, 6W, 4W, 2W and 1W, programmable for GD400HH-8
Maximum Frequency Deviation±5KHz
Output Harmonicless than –65dB
Spurious Emissionsless than 0.25uW (30MHz to 1GHz)
Distortion≤2.5％
Transmitter Attack Time<5ms
◆ Data and Interface
ModulationGMSK or 4-FSK selectable
Air Rate9600bps for GMSK
19200 and 9600 for 4-FSK programmable
Interface Baud Rate300 - 38400bps programmable
Interface Data Bit8 or 7 bits programmable
Interface Parity BitNone / Even / Odd programmable
Interface Stop Bit1 bit or 2 bits programmableHigh rate middle range radio modems brands
website:http://www.perfecomm.com/radio-modems/high-rate-radio-modems/