Bittium & MCPTT Players

http://www.lte-applications.com/28556/news/anite-and-bittium-bring-combined-drive-test-solution-to-us-public-safety-lte-networks

http://news.cision.com/bittium-oyj/r/bittium-exhibits-its-products-and-solutions-for-tactical-communications-at-eurosatory-defense-exhibi,c2027536

http://lteps.blogspot.tw/2015/12/public-safety-smartphones.html

http://www.genaker.net/blog/en/