| City/Circle | Operators | GSM 900 MHZ | GSM 1800 MHZ | CDMA 824-844 / 869-889MHz | |
| A' Circle | Tamilnadu | Vodafone Essar | 6.2 | 1.8 | |
| Aircel Limited | 7.8 | 2.0 | |||
| BSNL | 6.2 | 3.8 | 2.5 + 2.5 | ||
| Bharti Airtel | 9.2 | ||||
| IDEA | 4.4 | ||||
| Reliance | 4.4 | 5 + 5 | |||
| Datacom | 4.4 | ||||
| Unitech | 4.4 | ||||
| Etisalat DB | 4.4 | ||||
| Loop | 4.4 | ||||
| Tata Teleservices | 4.4 | 2.5 + 2.5 | |||
| Shyam Telelink / MTS | 2.5 + 2.5 | ||||
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