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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 Range |
400 - 430MHz, 450 - 470MHz |
Channel Capacity |
60 |
Channel Spacing |
25KHz |
Frequency Stability |
±2.0ppm (-40～+70℃) |
Operating Voltage |
DC 11V to 14V (Typical 12V ) |
Current Drain |
Standby:<90mA Receive:<120mA Transmit @ 25W:<5.5A @12V power supply Transmit @ 8W:<2.0A @12V power supply |
Antenna Impedance |
50 ohm unbalanced |
Dimensions (WxHxD) |
145mmx109mmx41mm |
Weight |
770g |
Operating Temperature |
-40℃~+70℃ |
◆ 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 |
25W, 20W, 15W, 10W and 5W, programmable for GD400HH-25 8W, 6W, 4W, 2W and 1W, programmable for GD400HH-8 |
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 - 38400bps 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 |
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