19200 ( 19.2 K ) / 9600 ( 9.6 K ) BPS Air Rate, 1.5W Output Power All Frequency High Rate Radio Modems for Short Range.

Product Detail

GD400BH
Air Rate: 9600 / 19200 bps
RF Output Power: 7.5 W
Frequency: 400 - 470 MHz
Dimensions:125x76x34mm

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