O2 in CM1

Chelmsford, Essex

O2 has good signal coverage in CM1 (Chelmsford), scoring 76/100 with 99% outdoor 4G coverage and 89% indoor 4G coverage.

Coverage Breakdown

Outdoor 4G

99%

Indoor 4G

89%

Voice

99%

No 5G good coverage

Outdoor 4G

99%

+3% vs avg

Indoor 4G

89%

+5% vs avg

Score

-1 vs avg

Is O2 good in CM1?

O2 has good mobile coverage in CM1 (Chelmsford), scoring 76/100 with 99% outdoor 4G and 89% indoor 4G coverage.

Does O2 have 5G in CM1?

No 5G

How does O2 in CM1 compare to the national average?

O2 outdoor 4G in CM1 is 99%, versus a national average of 96% for O2.

We'll notify you when 5G coverage improves in your area.