RF frequency specifications and standards for motorcycle key systems
Short-range communication for transponder keys
Frequency | Standard | Range | Power | Usage | Brands |
---|---|---|---|---|---|
125kHz | ISO11784/85 | 10-15cm | Very Low | Most Common | BMWDucatiHonda+3 more Standard frequency for most motorcycle transponder systems |
134kHz | ISO11784/85 | 10-15cm | Very Low | Regional | Some European Models Alternative LF frequency used in some regions |
Long-range communication for remote functions
Frequency | Standard | Range | Power | Usage | Brands |
---|---|---|---|---|---|
433.92MHz | ISM Band | 50-100m | Low | Very Common | BMWDucatiKTM+1 more Primary frequency for European motorcycle remote controls |
315MHz | ISM Band | 50-100m | Low | Regional | Harley-DavidsonIndian Primary frequency for North American motorcycle systems |
868MHz | ISM Band | 50-100m | Low | Emerging | Premium Models Used in advanced smart key systems |
Very short-range communication for advanced systems
Frequency | Standard | Range | Power | Usage | Brands |
---|---|---|---|---|---|
13.56MHz | ISO14443 | 2-4cm | Very Low | Emerging | BMWDucati Premium Used in next-generation smart key systems |
International standard for radio frequency identification of animals
International standard for proximity cards
Industrial, Scientific and Medical radio bands
Frequency | Max Power | Duty Cycle | Notes |
---|---|---|---|
125kHz | 42 dBμA/m at 10m | No limit | Inductive systems |
433MHz | 10mW ERP | 10% or LBT | Short Range Devices |
868MHz | 25mW ERP | 1% or LBT | SRD applications |
Frequency | Max Power | Duty Cycle | Notes |
---|---|---|---|
125kHz | 15 dBμA/m at 30m | No limit | Part 15 unlicensed |
315MHz | 50mW | No limit | ISM band operation |
433MHz | 1mW | No limit | Amateur radio secondary |
Frequency | Max Power | Duty Cycle | Notes |
---|---|---|---|
125kHz | Varies by country | Varies | National regulations apply |
433MHz | 10mW typical | Varies | Regional harmonization |