Salem BSNL has introduced Removable User Identity Module (RUIM) for CDMA Mobile SIM from July 7.
A press release from the BSNL says that facilities such as voice, data, SMS, ISD and free South Zone roaming are being provided in this service.
The data download tariff is 5 paise per 100 KBPS from 7 a.m. to 11 p.m. and 2.5 paise per 100 KBPS from 11 p.m. to 7 a.m. This SIM can also be used in CDMA mobile phones and also in dual SIM mobile phones.
The SIM cards are available at Customer Service Care Centres of BSNL offices in Salem and Namakkal. Further details can be had from the Centres, adds the release.