The Sunil Bharti Mittal-led firm's stand comes amid speculations that Reliance Jio may acquire premium spectrum of Reliance Communications in the 800 Mhz band -- considered to be the most efficient frequency available at present for transmitting 4G signals.
Mobile operators in the country use various spectrum bands to provide voice and data services -- 800 Mhz band, 900 Mhz, 1800 Mhz, 2100 Mhz, 2300 Mhz and 2500 Mhz.
RCom shares its spectrum holding in 800 Mhz band with Jio but there is no known announcement or development of either on trading spectrum.
"Airtel is not in favour of removing spectrum band cap," an official source said on condition of anonymity.
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Email query sent to Airtel received no immediate comment on the matter.
The submission of Airtel is learnt to have been made to the Telecom Regulatory Authority of India (Trai) which is holding limited consultation on revising spectrum cap.
The IMG had recommended revising spectrum cap limit which would facilitate exit route for loss making telecom companies.
Bharti Airtel had presented similar stand in response to Trai's consultation paper on valuation and reserve price of spectrum in 2015, while Reliance Jio had favoured removing spectrum band cap.
"Intra-band spectrum cap of 50 per cent should be continued for each band... Acceptance of any proposal to combine the spectrum bands for calculation of caps would lead to concentration of the spectrum in those bands, especially in 800 MHz and 2300 MHz band with one operator and therefore, will skew the market in favour of one operator," Airtel had said.
"It not only avoids spectrum concentration in a particular band with a single operator but also enables others to acquire adequate/proportionate spectrum in every band," Airtel had said.
Removal or raising of spectrum band cap will benefit Idea Cellular and Vodafone also as both the companies are in the process of merging their telecom business and the resultant entity will breach spectrum cap in some circles.
The combined entity, as per a CLSA report, under present norms will breach spectrum cap in 900 Mhz band in Maharashtra, Gujarat, Kerala, Haryana and UP West and in 2500 Mhz band in Maharashtra and Gujarat, it said.
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