Bulgarian ARFCN list

A mostly complete dataset of Bulgarian mobile network data carriers by their NR/EARFCN.

Intro

An ARFCN is an acronym which stands for absolute radio frequency channel number. This is a unique number which can represent any valid radio frequency covered by the appropriate 3GPP radio access technology (RAT) specification.

ARFCN can be prefixed with characters to show which RAT they are representing. NR ARFCNs are for 5G/NR, EARFCNs are for EUTRA (4G/LTE), UARFCNs are for UMTS (3G) and ARFCNs are for GSM (2G).

In 4G LTE and previous generations of RAT, ARFCNs represented the centre of a carrier band, but with 5G NR this changed to the NR ARFCN representing any frequency within the network's carrier, and the centre point is often determined using an offset sent in the SIB1.

Bulgarian ARFCN table

Radio access technology (RAT)

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EARFCN	Bandwidth	Band	Operator	Description
100	20 MHz	B1	Yettel Bulgaria	Standard B1 deployment
100	15 MHz	B1	Yettel Bulgaria	Indoor and metro B1 deployment, presents as 20 MHz with 25 RBs blocked for UMTS B1
275	15 MHz	B1	A1 Bulgaria	Indoor and metro B1 deployment (with UMTS B1 5 MHz)
300	20 MHz	B1	A1 Bulgaria	Standard B1 deployment
500	20 MHz	B1	Vivacom	Standard B1 deployment
500	10 MHz	B1	Vivacom	Indoor and metro B1 deployment (with UMTS B1 5 MHz)
1300	20 MHz	B3	A1 Bulgaria	Standard B3 deployment
1550	20 MHz	B3	Yettel Bulgaria	Standard B3 deployment
1675	5 MHz	B3	Yettel Bulgaria	Secondary B3 carrier - test deployment
1800	20 MHz	B3	Vivacom	Standard B3 deployment, with n3 DSS
2950	20 MHz	B7	A1 Bulgaria	Standard B7 deployment
3150	20 MHz	B7	Vivacom	Standard B7 deployment
3350	20 MHz	B7	Yettel Bulgaria	Standard B7 deployment, rarely with n7 DSS
3515	10 MHz	B8	A1 Bulgaria	B8 deployment in areas without 3G, which may be up to 10 MHz wide with some channels blocked for use by 2G.
3536	4.6 MHz	B8	A1 Bulgaria	Standard B8 deployment - signalled as 5 MHz, operating on 4.6 MHz of spectrum due to LTE's 0.5 MHz guard band for 5 MHz bandwidth.
3636	4.6 MHz	B8	Vivacom	Standard B8 deployment - signalled as 5 MHz, operating on 4.6 MHz of spectrum
3774	4.6 MHz	B8	Yettel Bulgaria	Standard B8 deployment - signalled as 5 MHz, operating on 4.6 MHz of spectrum
6200	10 MHz	B20	A1 Bulgaria	Standard B20 deployment
6300	10 MHz	B20	Vivacom	Standard B20 deployment
6400	10 MHz	B20	Yettel Bulgaria	Standard B20 deployment
9360	10 MHz	B28	Vivacom	Standard B28 deployment
9460	10 MHz	B28	Yettel Bulgaria	B28 deployment