UK mobile telecoms base station data
Mobile signal & mast coverage in Welwyn
O2: Above average · Vodafone: Above average · EE: Above average · Three: Average
Signal survey data
| Operator | Quality | 4G | 3G / 2G |
|---|---|---|---|
| O2 O2 | Above average | -105 | -44 / -101 |
| VF Vodafone | Above average | -105 | -61 / -95 |
| EE EE | Above average | -104 | -87 / -93 |
| H3G Three | Average | -108 | -51 / – |
dBm signal strength averaged over a 7 km radius · collected via the MastData Android app.
Masts near Welwyn
| Operator | <1km | <3km | <5km | <7km |
|---|---|---|---|---|
| O2 O2 | 3 | 15 | 34 | 52 |
| VF Vodafone | 3 | 15 | 39 | 62 |
| EE EE | 3 | 21 | 55 | 112 |
| H3G Three | 2 | 12 | 33 | 59 |
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 Welwyn — 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.