UK mobile telecoms base station data
Mobile signal & mast coverage in Cardiff
O2: Good · Vodafone: Good · EE: High average · Three: High average
Signal survey data
| Operator | Quality | 4G | 3G / 2G |
|---|---|---|---|
| O2 O2 | Good | -100 | -64 / -84 |
| VF Vodafone | Good | -100 | -83 / -88 |
| EE EE | High average | -103 | -46 / -84 |
| H3G Three | High average | -103 | -86 / – |
dBm signal strength averaged over a 7 km radius · collected via the MastData Android app.
Masts near Cardiff
| Operator | <1km | <3km | <5km | <7km |
|---|---|---|---|---|
| EE EE | 50 | 129 | 200 | 250 |
| VF Vodafone | 49 | 121 | 177 | 223 |
| O2 O2 | 42 | 107 | 158 | 202 |
| H3G Three | 20 | 77 | 128 | 171 |
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 Cardiff — 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.