COAI asks DoT to reconfigure 1800MHz band into contiguous blocks GSM industry body COAI has asked the Department of Telecom (DoT) to allow reconfiguration of airwaves in the 1800MHz band in order to create contiguous blocks of spectrum. In a letter to March 24, 2014 Channel/Game Online/industrial Power/IT Magazine/LCD TV/LED TV/Magazine Advertisement india/Mobile Launch/Motherboard/Networking/News/Security/Social Media/Tablet/Technology News/Telecom News/TV