UARFCN
UMTS Absolute Radio Frequency Channel Number
The carrier frequency is designated by the UTRA Absolute Radio Frequency Channel Number. The value of the UARFCN in the IMT2000 (International Mobile Telephony 2000) band is defined as follows: Uplink UARFCN (Nu) = 5 x Frequency (MHz) and Downlink UARFCN (Nd) = 5 x Frequency (MHz).