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	B1 deployment
100	10 MHz	B1	Yettel Bulgaria	Indoor and metro B1 deployment
275	15 MHz	B1	A1 Bulgaria	Indoor and metro deployment (with UMTS B1 5 MHz)
300	20 MHz	B1	A1 Bulgaria	Standard B1 deployment
500	20 MHz	B1	Vivacom	Test B1 20 MHz deployment
525	15 MHz	B1	Vivacom	Standard B1 deployment
550	10 MHz	B1	Vivacom	B1 deployment in Sofia metro lines 1, 2 and 4 (with UMTS B1 10 MHz)
1300	20 MHz	B3	A1 Bulgaria	Standard B3 deployment
1550	20 MHz	B3	Yettel Bulgaria	Standard B3 deployment
1800	20 MHz	B3	Vivacom	Standard B3 deployment, with n3 DSS in urban areas and on highways
2950	20 MHz	B7	A1 Bulgaria	Standard B7 deployment
3150	20 MHz	B7	Yettel Bulgaria	Standard B7 deployment
3350	20 MHz	B7	Vivacom	Standard B7 deployment
3516	5 MHz	B8	Vivacom	Standard 5 MHz B8 deployment
3678	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.
3774	3, 5 MHz	B8	Yettel Bulgaria	B8 deployment, usually with 5 MHz bandwidth
3780	3 MHz	B8	Yettel Bulgaria	B8 3 MHz deployment