Returning investors Temasek and Scottish Investment Bank returned to back Edinburgh spinout PureLifi's series B round and bring the company's funding total to $29.5m.

PureLifi, a UK-based lifi communications adapter developer spun out of University of Edinburgh, completed an $18m series B round yesterday backed by Singaporean state-owned investment firm Temasek and government-owned Scottish Investment Bank.
Founded in 2012, PureLifi develops and markets wireless networking components which rely on LED light bulbs rather than radio signals, employing a photodetector and signal processor to convert the information into transferrable data.
Lifi hypothetically provides 1,000 times more bandwidth than conventional wifi, making it technically…