KDR 444 (Norwegian "kortdistanseradio", Swedish "kortdistansradio", "short distance radio") or KDR, is a licence-free
personal radio service
A personal radio service is any system that allows individuals to operate radio transmitters and receivers for personal purposes with minimal or no special license or individual authorization. Personal radio services exist around the world and typi ...
in the
UHF
Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 megahertz (MHz) and 3 gigahertz (GHz), also known as the decimetre band as the wavelengths range from one meter to one tenth of a meter ...
range used in Sweden and Norway. It is usually referred to as SRBR 444 (Short Range Business Radio) in Sweden. Transmitters are limited to 2 W
ERP (previously 1 W) in Sweden and 0.5 W in Norway.
[http://www.lovdata.no/cgi-wift/ldles?ltdoc=/for/ff-20120119-0077.html#40 Norwegian regulation on general permission for use of frequencies $40 (2) n Norwegian/ref> FM with a bandwidth of 25 kilohertz is used. Norway requires a radio with fixed antenna to be used with these frequencies.]
Channels
Norway has 6 channels, while Sweden has 8 channels. Note that channel 6 is different in Norway and Sweden.
Channels use FM. Frequencies 444.875 and 444.925 are newer frequencies available in Sweden but may not be available in some other regions (such as Norway); older equipment may also lack these new frequencies. Consequently, 444.975 is likely to be called channel number six on such devices.
European use
KDR 444 is specific to parts of Scandinavia and is not cleared for use across the European Union.
See also
*PMR446
PMR446 ( Private Mobile Radio, 446 MHz) is a licence-exempt service or UHF CB in the UHF radio frequency band, as personal radio service or citizens band radio, and is available for business and personal use in most countries throughout th ...
*UHF CB
UHF CB is a class-licensed citizen's band radio service authorised by the governments of Australia, Europe, Malaysia, New Zealand, Singapore, Vanuatu, and in the PMR446, UHF 477 MHz band. UHF CB provides 77 channels, including 32 chan ...
*Family Radio Service
The Family Radio Service (FRS) is a walkie-talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band. It does n ...
References
Bandplans
Radio hobbies
{{Radio-comm-stub
no:Privatradio