TRW has been active in keyless entry for many years, albeit as a relatively small player. Similar radio-frequency (RF) technology underpins both keyless entry and tyre pressure monitoring systems (TPMS), the latter being a technology in which TRW is one of the leading global players Ian Henry spoke to Andy Whydell, TRW's Senior Manager for Global Electronics Product Planning, and Tim Hannon, Sales Manager, RF Products about the company's activities in the sector and market trends.