Radio modem for mapping
Model: GD440BW/GD440VW
Type: Radio modem for mapping
Air Rate: 19200/9600bps
RF Output Power: 25 W
Frequency range:430～450MHz
- Features
- Specifications
- Dimensions
- Resources
- Accessories
- Similar Products
◆ General
|
_Frequency Range |
_430 - 450MHz |
|
_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 _GD440BW :Transmit @ 7.5W: <2.0A @12V power supply _GD440VW: Transmit @ 25W: <5.5A @12V power supply |
|
_Antenna Impedance |
_50 ohm unbalanced |
|
_Dimensions (WxHxD) |
_GD440BW: 125mmx76mmx34mm _GD440VW: 145mmx109mmx41mm |
|
_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 |
◆ Transmitter
|
_RF Output Power |
_7.5W, 6W, 4W, 2W and 1W, programmable for GD440BW-7.5 _25W, 20W, 15W, 10W and 5W, programmable for GD440VW-25 |
|
_Maximum Frequency Deviation |
_±5KHz |
|
_Output Harmonic |
_less than –65dB |
|
_Spurious Emissions |
_less than 0.25uW (30MHz to 1GHz) |
|
_Distortion |
_≤2.5％ |
◆ Data and Interface
|
_Modulation |
_4-FSK |
|
_Air Rate |
_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 |
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
ＱＱ
WeChat
weibo