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Sure (Guernsey) uses 1 GSM band, 1 UMTS band, and 1 LTE band. Find out if your unlocked phone or mobile device will work with Sure (Guernsey). See the tables below for details.

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Carrier website: https://web.sure.com/guernsey

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

Sure Guernsey is a telecommunications company that operates in Guernsey, Jersey, and the Isle of Man. Here are some key points about their mobile network:

  1. Speed and Performance: Sure Guernsey has been recognized for having the fastest mobile network in the Channel Islands. In 2017, an independent review by the Channel Islands Competition and Regulatory Authorities found that Sure’s mobile network had average download speeds that were twice as fast as their nearest competitor.

  2. Infrastructure: Sure has invested significantly in its infrastructure, including the £6.5 million Project HUGO in 2006, which brought two new fibre optic cables ashore in Guernsey, directly connecting to the global infrastructure of Cable & Wireless.

  3. Services and Plans: Sure offers a range of mobile plans, including business and residential services, as well as sim-only deals. They provide access to the latest mobile phones and devices, including iPhones, Samsungs, and Sony Xperia models.

  4. International Roaming: Sure has international roaming agreements with 200 countries, allowing customers to roam across the Channel Islands and Isle of Man without incurring roaming charges.

  5. Customer Support: Sure provides customer support from 8:30 AM to 5:00 PM, Monday to Friday, and can be contacted on 01481 XXX XXXX outside of these hours.

Overall, Sure Guernsey’s mobile network is known for its speed, reliability, and comprehensive service offerings.


Frequency Bands

GSM

Name Interface Description
900 MHz (E-GSM) GSM

Sure Guernsey uses the GSM 900 MHz (E-GSM) frequency band. This deployment is part of the broader use of GSM 900 in various regions, including Europe, Asia, Africa, the Middle East, and Australia. The GSM 900 band operates from 880 MHz to 960 MHz, and E-GSM is a subset of this band, extending from 880 MHz to 915 MHz. This frequency range supports a wide range of mobile communication services across these regions.


UMTS

Name Interface Description
B1 (2100 MHz) UMTS

Sure Guernsey uses the UMTS B1 (2100 MHz) frequency band. The deployment date is unknown.


LTE

Name Interface Description
B3 (1800 MHz +) LTE

Sure Guernsey uses LTE B3 (1800 MHz +) for its LTE network. The deployment of this frequency band by Sure Guernsey occurred in May 2015.


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