868 MHz ISM Band
LoRaWAN (EU868) · Sigfox · Z-Wave EU
| Frequency Range | 863–870 MHz |
| Wavelength | 34.6 cm |
| ITU / Standard | ISM Band (EU) |
Applications
- →LoRaWAN (EU868)
- →Sigfox
- →Z-Wave EU
- →Smart metering
- →Building automation
- →Wireless alarm systems
Propagation Characteristics
Excellent penetration through walls and floors. Typical LoRa range: 2–15 km in urban areas, up to 40 km line-of-sight.
Regulatory Notes
ETSI EN 300 220. Multiple sub-bands with different duty cycle rules (0.1%–10%). Max 25 mW ERP on most channels. EU only.
Related Calculators
Wavelength / Frequency
Convert between frequency, wavelength, and wave number in free space or medium. Calculate half-wave and quarter-wave lengths for antenna and transmission line design.
Link Budget
Calculate RF link budget: transmit power, free space path loss, antenna gains, and received signal level. Determine link margin and maximum range.
Free-Space Path Loss
Calculate free-space path loss (FSPL) using the Friis transmission equation for wireless link budget analysis