Some Tools for Basic RF Calculations

• Linear Power to decibels
• Free space loss
• Voice channels (Erlang B) (coming soon)
• Okumura-Hata propagation model (coming soon)

Email me with any requests for additions.

Convert Linear Power to Decibels

Conversion from watts [W] to decibels relative to one milliwatts [dBm] :

(dBm= 10*log10(P/ 0.001))

Free space loss

(Friis formula)

Voice Channels

Last updated 26 July, 2005