UK mobile telecoms base station data
Mobile signal & mast coverage in Porthmadog
O2: Above average · Vodafone: Low average · EE: Average · Three: Above average
Signal survey data
| Operator | Quality | 4G | 3G / 2G |
|---|---|---|---|
| O2 O2 | Above average | -107 | -39 / -85 |
| VF Vodafone | Low average | -110 | -68 / -72 |
| EE EE | Average | -107 | -45 / -83 |
| H3G Three | Above average | -107 | -34 / – |
dBm signal strength averaged over a 7 km radius · collected via the MastData Android app.
Masts near Porthmadog
| Operator | <1km | <3km | <5km | <7km |
|---|---|---|---|---|
| O2 O2 | 3 | 3 | 6 | 8 |
| VF Vodafone | 3 | 3 | 6 | 8 |
| EE EE | 2 | 6 | 8 | 13 |
| H3G Three | 0 | 2 | 2 | 6 |
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 Porthmadog — 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.
Data source: public MastData coverage pages · updated periodically · SigInfo is not affiliated with MastData.