Radio modem with low power consumption
Model: GD230BS
Type: Radio modem with low power consumption
Air Rate: 4800/2400/1200bps
RF Output Power: 25 W
Frequency range: 230 / 400 / 150 MHz
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Model |
Frequency Range |
RF Output Power |
Emission Current | Dimensions |
GD230BS |
223~235MHz |
10W / 1.5W |
1.8A / 0.7A @12V |
12.5×7.6×3.4cm |
GD230VS |
223~235MHz |
25W / 8W |
5.0A / 1.8A @12V |
14.5×10.9×4.1cm |
GD230CS |
223~235MHz |
25W |
5.0A / 1.8A @12V |
13.6×14.0×4.4 cm |
GD400BS |
400~470MHz |
7.5W / 1.5W |
2.0A / 0.9A @12V |
12.5×7.6×3.4cm |
GD400VS |
400~470MHz |
25W / 8W |
5.5A / 2.0A @12V |
14.5×10.9×4.1cm |
GD150BS |
136~174MHz |
10W / 1.5W |
1.8A / 0.7A @12V |
12.5×7.6×3.4cm |
GD150VS |
136~174MHz |
25W / 8W |
5.0A / 1.8A @12V |
14.5×10.9×4.1cm |
◆ General
_Frequency Range |
_Refer to (FORM 1) |
_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 _Dormancy: <3mA _Transmit : Refer to (FORM 1) |
_Antenna Impedance |
_50 ohm unbalanced |
_Dimensions (WxHxD) |
_Refer to (FORM 1) |
_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 |
_Refer to (FORM 1) _25W, 20W, 15W, 10W and 5W, programmable for 25W _10W, 7.5W, 5W, 2.5W and 1W, programmable for 10W _8W, 6W, 4W, 2W and 1W, programmable for 10W _1.5W, 1W, 0.6W, 0.3W and 0.1W, programmable for 1.5W |
_Maximum Frequency Deviation |
_±5KHz |
_Output Harmonic |
_less than –65dB |
_Spurious Emissions |
_less than 0.25uW (30MHz to 1GHz) |
_Distortion |
_≤2.5% |
_Dormancy Awake Time |
_<150ms |
◆ 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
5. Handset
6. Programmer