NCC has issued a letter explaining and revising the issues related to the 
adjustment of IOT operation supervision regulations article 85-1 of the management 
measures for Mobile Broadband Services, for use in non telecommunications 
IoT networks. The unlicensed frequency range of 920-925MHz will be opened 
on February 22, 106. On July 2, 2007, 839-847MHZ was added as a driving force 
for industrial upgrading and smart programming applications.