Hertfordshire — 1 postcode district
| Metric | EE | Three | O2 | Vodafone |
|---|---|---|---|---|
| 4G Outdoor | 96% | 96% | 99% | 97% |
| 4G Indoor | 84% | 84% | 84% | 87% |
| Voice | 94% | 97% | 96% | 96% |
| 5G | No 5G | No 5G | No 5G | No 5G |
| Overall | good | good | good | good |
| Score | 73 | 73 | 74 | 74 |
| Postcode | Best Network | Score | Type |
|---|---|---|---|
| SG3 | O2 | 74 | urban |
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