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A1 Slovenija (Slovenia) uses 2 GSM bands, 2 UMTS bands, and 3 LTE bands. Find out if your unlocked phone or mobile device will work with A1 Slovenija (Slovenia). See the tables below for details.

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Carrier website: https://www.a1.si/

Last updated: 2024/08/05 - See latest updates

A1 Slovenija is the leading private provider of integrated communication services in Slovenia, with over 500 employees dedicated to enriching life in the digital age for more than 700,000 users. It is part of the Telekom Austria Group, which operates in seven countries with over 25 million customers and €4.5 billion in revenue. A1 Slovenija began offering its services in March 1999 as the first privately owned mobile operator in Slovenia and has since become a pioneer in the mobile communication field, constantly strengthening its position in the integrated communications market.

Key highlights of A1 Slovenija include:

  • History: Established in December 1997 and operating under the name Si.mobil until April 2017, when it was rebranded as A1 Slovenija.
  • Network Expansion: A1 Slovenija has upgraded its network extensively, covering over 98% of the Slovenian population with broadband internet and achieving the largest and fastest Slovenian 3G network certificate.
  • Technological Advancements: The company was the first in Slovenia to introduce GPRS, MMS, and EDGE, and it has also provided access to 4G/LTE networks to over 98% of the Slovenian population.
  • Partnerships: A1 Slovenija has an exclusive partnership with Vodafone, which has brought significant advantages in international roaming and the use of new services.
  • 5G Network: All price plans include the use of a 5G network, enabling ultra-high speed data transfer.

A1 Slovenija continues to innovate and expand its services, making it a prominent player in the Slovenian telecommunications market.


Frequency Bands

GSM

Name Interface Description
900 MHz (E-GSM) GSM

A1 Slovenija Slovenia uses the GSM 900 MHz (E-GSM) frequency band. The deployment of this frequency band is not specified.

1800 MHz (DCS) GSM

A1 Slovenija Slovenia uses the GSM 1800 MHz (DCS) frequency band. This frequency band ranges from 1800 MHz to 1880 MHz for the uplink and 1805 MHz to 1880 MHz for the downlink. The deployment of this frequency band is not specified.


UMTS

Name Interface Description
B1 (2100 MHz) UMTS

A1 Slovenija uses the UMTS B1 (2100 MHz) frequency band in Slovenia. The deployment of this band is not specified.

B8 (900 MHz GSM) UMTS

A1 Slovenija Slovenia uses the UMTS B8 (900 MHz GSM) frequency band. This frequency band ranges from 890 MHz to 915 MHz for the uplink and 935 MHz to 960 MHz for the downlink. The deployment of this frequency band is not specified.


LTE

Name Interface Description
B3 (1800 MHz +) LTE

A1 Slovenija Slovenia uses the LTE frequency band B3 (1800 MHz +). This band was deployed on August 5, 2024.

B7 (2600 MHz) LTE

A1 Slovenija uses LTE band 7 (2600 MHz) in Slovenia. The deployment of this frequency band is not specified in the provided information.

B20 (800 MHz DD) LTE

A1 Slovenija Slovenia uses the LTE B20 (800 MHz DD) frequency band. This band was deployed on August 5, 2024.


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