Comba Telecom adds 600 MHz, 2.3 GHz and 2.5 GHz support to DAS

Comba Telecom
Adding 600 MHz, 2.3 GHz and 2.5 GHz bands completes Comba's North American support for all major wireless operators. (Comba Telecom)

Comba Telecom announced today that it has added support for 600 MHz, 2.3 GHz and 2.5 GHz frequencies to its ComFlex distributed antenna system (DAS) solution.

The Milpitas, California-based company says its DAS solution is engineered to provide wireless coverage for buildings over 100,000 square feet. The 600 MHz, 2.3 GHz and 2.5 GHz frequencies will be available as RF modules that slide into ComFlex’s Master Unit.

“Adding 600 MHz, 2.3 GHz and 2.5 GHz support completes ComFlex’s DAS full coverage support for all the major operators in North America,” said Steven Cheng, Comba’s DAS product manager, in a statement. “As operators start to implement these frequencies around the country, enterprise customers can feel confident they will get coverage inside their buildings using our DAS solution even if the frequencies aren’t deployed yet in their region.”

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In the U.S., the 2.5 GHz is being deployed by Sprint. Separately, it's also the subject of a Notice of Proposed Rulemaking (NPRM) that the FCC adopted in May that contemplates ways to put mostly fallow 2.5 GHz spectrum to use for things like 5G.

The 600 MHz band was part of an incentive auction that ended with T-Mobile taking the lion’s share among wireless operators, although Dish Networks and others also participated. T-Mobile has been aggressively building out its 600 MHz spectrum and just last week said it has lit up 600 MHz Extended Range LTE in more than 900 cities and towns across 32 states.

With the 2.3 GHz band, AT&T owns the rights to some of the WCS bands that fall in the 2.3 GHz spectrum. AT&T acquired that spectrum years ago, and in 2015, it was building it out in some markets.

RELATED: AT&T cautions that its WCS spectrum licenses in the C and D Blocks 'remain encumbered'

In 2016, the operator reported that while a long history of disputes in the band largely had been resolved, the C and D Blocks remained encumbered by strict limitations designed to protect SDARS (Satellite Digital Audio Radio Service) and AMT (aeronautical mobile telemetry) offerings. The carrier at the time said coordination challenges in these blocks were severe given proximity to SDARS services.

Comba said its ComFlex 600 MHz, 2.3 GHz and 2.5 GHz cards and remote unit will be available this month.