Internet speed test

Cell Coverage in Sheffield, New Brunswick

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Not enough data for Sheffield

Showing performance data for Capital Region instead. We need at least 25 speed tests in Sheffield to generate local metrics.

Performance by Carrier in Capital Region

Compare real-world download speeds, upload performance, and latency for major carriers in Capital Region — based on millions of crowdsourced speed tests to help you find the fastest, most reliable network.

Bell Mobility logo
Down
71.0Mbps
Up
7.6Mbps
Reliab.
10.0/ 10

16 tests conducted

Rogers logo
Down
253.2Mbps
Up
36.8Mbps
Reliab.
10.0/ 10

10 tests conducted

Telus logo
Down
226.3Mbps
Up
51.7Mbps
Reliab.
6.4/ 10

17 tests conducted

Vidéotron logo
Down
No data
Up
No data
Reliab.
No data

These results compare 4 mobile carriers measured in Capital RegionTelus, Vidéotron, Bell Mobility, Rogers — using median values calculated from crowdsourced speed tests. Each card shows download speed, upload speed, and reliability to give you a complete picture of real-world network performance.

Rogers delivers the fastest median download at 253.2 Mbps, making it the top performer for raw download throughput. Bell Mobility ranks highest for reliability with a score of 10.0/10, reflecting consistent connection quality across tests.

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Network Performance

Based on crowdsourced speed tests and signal measurements in Sheffield, New Brunswick using data from Capital Region, get a complete view of mobile performance with area-wide benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics from real-world tests, then compare carriers side-by-side for speed, responsiveness, and availability.

Median Performance

Download

136.7Mbps

Upload

18.4Mbps

Latency

44ms

Reliability

10.0/ 10

Top Performers

Best Download: Rogers

253.2 Mbps

Best Upload: Telus

51.7 Mbps

Best Latency: Telus

34 ms

Best Reliability: Bell Mobility

10.0 / 10

Based on 47 speed tests

Network Performance aggregates all measured carriers in Capital Region to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.

Local testing in Sheffield is limited, so these medians are based on data from Capital Region. Current medians are 136.7 Mbps download, 18.4 Mbps upload, and 44 ms latency.

Promoted Offers

Mint Mobile

Get unlimited data for $15/month for your first 12 months

Get any plan for $15/month for a limited time. New customers only

See Deal
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Save $5 off on the Visible+ plan for a limited time with code SUMMER

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Cell Coverage in Sheffield: FAQ

What is the best cell phone carrier in Sheffield?

Based on crowdsourced speed tests in Capital Region, Rogers currently leads in median download speeds. Compare carriers in the performance table above for the latest results.

Why might this page show limited data for Sheffield?

We need at least 25 recent speed tests to generate reliable local metrics. Until we reach that threshold in Sheffield, we show performance data for Capital Region when it is available.

What is the reliability score?

The reliability score summarizes how dependable mobile performance is in Capital Region. It uses a 0.0 to 10.0 scale (higher is better) and is calculated from real-world speed test percentiles with weighted components: download (50%), latency (30%), and upload (20%). It evaluates the lower-end experience using the bottom 10%, 5%, and 1% percentiles when enough samples are available. If local speed testing is limited, a coverage-based fallback is used from signal quality distribution (great/good/poor).

How can I check coverage at my specific address in Sheffield?

Use the interactive map to check signal strength at your exact address. Visit the CoverageMap interactive map to explore 4G/5G availability.

How can I contribute coverage data for Sheffield?

Download the CoverageMap app and run a few speed tests with location enabled. Your results help improve coverage accuracy and unlock local rankings faster.

Get the app