UK mobile telecoms base station data
Mobile signal & mast coverage in Caernarfon
O2: High average · Vodafone: Above average · EE: Above average · Three: Average
Signal survey data
| Operator | Quality | 4G | 3G / 2G |
|---|---|---|---|
| O2 O2 | High average | -103 | -37 / -88 |
| VF Vodafone | Above average | -106 | -34 / -70 |
| EE EE | Above average | -105 | -42 / -93 |
| H3G Three | Average | -108 | -51 / – |
dBm signal strength averaged over a 7 km radius · collected via the MastData Android app.
Masts near Caernarfon
| Operator | <1km | <3km | <5km | <7km |
|---|---|---|---|---|
| EE EE | 7 | 8 | 10 | 19 |
| H3G Three | 4 | 6 | 8 | 12 |
| O2 O2 | 4 | 4 | 6 | 7 |
| VF Vodafone | 3 | 3 | 5 | 8 |
Public aggregate mast counts within each radius. Site-specific mast records require a licence.
About this data
This page shows the public MastData coverage records for Caernarfon — the same signal and mast-count data MastData publish on their website, presented through the SigInfo explorer. One of 1409 UK towns in our free MastData explorer.
Need site references, drawings or radio analysis? Request a MastData licence.
Nearby towns
Data source: public MastData coverage pages · updated periodically · SigInfo is not affiliated with MastData.