PMR446 is a European standard licence-free radio service utilising 8 (12.5khz spaced) channels in the 446 Mhz band. PMR is license exempt in Ireland and other EU states. The first country which introduced these frequencies for licence-free use was Ireland and it did so on 1st April 1998. The United Kingdom introduced PMR446 service in [...]
Exemptions from licensing are normally established when there is no requirement to manage the specific spectrum band and where the risk of harmful interference is negligible.
The following is a non-exhaustive list of license exemptions.
Exemptions
Radio Type
Description
Exemption Order
ComReg Document
Other Information
Short Range Devices (SRD)
The vast majority of licence exempt equipment falls under this category. [...]
AIS (Automatic Identification System) is system that continuously transmits a ship’s identification and position to other nearby vessels. All such vessels also receive data from other AIS equipped ships and display their positions and other relevant information on a display on the bridge. In other words, AIS is a navigation aid.
AIS is a global [...]