Frequency usage
Last updated
Last updated
The ITS-G5A frequency range 5 875 - 5 905 GHz the uBlox Vera module is designed for is used for ITS road safety related applications. There is a discussion ongoing within EU, ETSI, CEPT and others on the future frequency use for drones but no decision yet. Therefore current setting for the D2X demoboards is ISM band, channel 165 - 5 825 MHz.
We
propose to use in future
one of the 7 channels of the ITS-G5A frequency range 5 875 - 5 905 GHz as well to allow communication between drones and ground based traffic like cars, trains and ships.
The rationale behind is that drones are usually flying in a very low airspace and interfering more to ground based traffic than manned aviation.
Default setting for the D2X demoboards is ISM band, channel 165 - 5 825 MHz.
The used channel can be set via the D2X software configuration file. The uBlox Vera module supports a frequency range down to ~5 500MHz.
Another option might be to use one of UNII-2-Ext channels excluding the range for weather radar. Channel 100 - 116 or 132 - 144.
Frequency usage needs to be aligned with and approved by local telecommunication authorities! ISM band is ok to use without approval if the device is according CE rules and ISM band restrictions on output power and other mentioned regulations are fulfilled. This might be different by country! Check with your local authorities!
Source:
http://www.revolutionwifi.net/revolutionwifi/2013/03/80211ac-channel-planning.html
