Hertfordshire — 1 postcode district
| Metric | EE | Three | O2 | Vodafone |
|---|---|---|---|---|
| 4G Outdoor | 99% | 99% | 95% | 95% |
| 4G Indoor | 89% | 86% | 83% | 81% |
| Voice | 99% | 96% | 93% | 95% |
| 5G | No 5G | No 5G | No 5G | No 5G |
| Overall | good | good | good | good |
| Score | 76 | 75 | 72 | 72 |
| Postcode | Best Network | Score | Type |
|---|---|---|---|
| SG9 | EE | 76 | urban |
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