Telecom Engineering Tools
Free, accurate calculators for RF and RAN engineers. All formulas follow 3GPP and ITU-R specifications.
5G
5G NR-ARFCN Calculator
Convert NR-ARFCN ↔ frequency for all FR1/FR2 bands. DL/UL, FDD/TDD.
3GPP TS 38.1044G
LTE EARFCN Calculator
Convert EARFCN ↔ frequency for all LTE bands. FDD/TDD, DL/UL pairs.
3GPP TS 36.101dB
dBm / Power Converter
Convert between dBm, dBW, Watt, mW, µW and power ratios (dB).
ITU-RLB
Link Budget Calculator
Calculate EIRP, max path loss and estimated cell range (FSPL model).
ITU-R P.525Er
Erlang B / C Calculator
Blocking probability (Erlang B) and delay probability (Erlang C) for traffic engineering.
ITU-T E.501PL
Path Loss Calculator
FSPL, Okumura-Hata and COST-231 Hata models for urban, suburban and rural.
Okumura-Hata · COST-231