4800 ( 4.8 K ) BPS Air Rate, 25W Output Power All Frequency Middle Rate Wireless Data Transceivers for Long Range.

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Description

Product Detail

GD400H
Air Rate: 1200 - 4800 bps
RF Output Power: 25 W
Frequency: 400 - 470 MHz
Dimensions:145x109x41mm

A professional wireless data transceiver operating at 400 MHz frequency band with programmable air rate of 4800, 2400 and 1200 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:<80mA Receive:<100mA 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 GD400H-25 8W, 6W, 4W, 2W and 1W, programmable for GD400H-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	MSK
Air Rate	4800, 2400 and 1200, 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