PMR-446

• PMR-446 radios are not legal in many countries
• PMR-446 Radios are limited to ½ W, the design must be approved and the sets must not be modified.
• PMR-446 Radios offer a low cost, licence free solution for users who can accept the low power, limited range and the presence of other users on the shared channels
• Analogue PMR-446 radios can have a maximum of 16 channels. Channels 9 to 16 were legalised after channels 1 to 8 and are missing on many sets
• Digital PMR-446 radios can have a maximum of 32 channels. Channels 9 to 16, followed by 17 to 32 were legalised after channels 1 to 8. Many sets do not offer every channel
• Some of these sets have advanced features e.g. CTCSS ant DTS
• Compatible sets may use different numbering systems - especially radios which cannot operate on every frequency
• Analogue sets are usually compatible with other analogue sets
• Digital sets are usually compatible with other digital sets
• Digital sets are usually incompatible with analogue sets