A small size wireless data transceiver operating at 230 MHz frequency band with programmable air rate of 4800, 2400 and 1200 bps. Maximum RF output power is 10 watts and can be programmed from 10 watts down to 1 watt with five levels. It is easy to integrate for system integrator.

◆ General

_Frequency Range	_223 - 235MHz
_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 @ 10W:  <1.8A @12V power supply _Transmit @ 1.5W:   <0.7A @12V power supply
_Antenna Impedance	_50 ohm unbalanced
_Dimensions (WxHxD)	_125mmx76mmx34mm
_Weight	_370g
_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	_10W, 7.5W, 5W, 2.5W and 1W, programmable for GD230BH-10 _1.5W, 1W, 0.6W, 0.3W and 0.1W, programmable for GD230BH-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	_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

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	GD230B	223 - 235MHz	4800/2400/1200bps	10W / 1.5W	12.5x7.6x3.4cm
Similar Model	GD230V-E	223 - 235MHz	4800/2400/1200bps	25W / 8W	14.5x10.9x4.1cm
	GD230BH	223 - 235MHz	9600/19200bps	10W / 1.5W	12.5x7.6x3.4cm
	GD230C	223 - 235MHz	4800/2400/1200bps	25W	13.6x14.0x4.4cm
	GD400B	400 - 470MHz	4800/2400/1200bps	7.5W / 1.5W	12.5x7.6x3.4cm
	GD150B	136 - 174MHz	4800/2400/1200bps	10W / 1.5W	12.5x7.6x3.4cm