Telecom Conversion Toolkit
RF · ARFCN · Link Budget Reference
TS 45.005 · TS 25.101 · TS 36.101
TS 38.104 · single-page PHP tool
Power
dBm ⇄ W
Gain / Loss
dB ⇄ ratio
VSWR
VSWR ⇄ RL
GSM
ARFCN
UMTS
UARFCN
LTE
EARFCN
5G NR
NR-ARFCN
EIRP
link budget
Path Loss
free space
GSM ARFCN
Absolute RF Channel Number → uplink / downlink carrier frequency (3GPP TS 45.005).
P-GSM: Ful = 890.0 + 0.2·n Fdl = Ful + 45 DCS1800: Ful = 1710.2 + 0.2·(n-512) Fdl = Ful + 95 PCS1900: Ful = 1850.2 + 0.2·(n-512) Fdl = Ful + 80
Band
P-GSM 900 (n 1–124)
E-GSM 900 (n 0, 975–1023)
DCS 1800 (n 512–885)
PCS 1900 (n 512–810)
ARFCN (n)
channel
Convert
Uplink
900
MHz
Downlink
945
MHz
Duplex spacing
45
MHz