主に携帯型のハードウェアの無線部開発。社外・社内幅広い人と協力して開発した。 Electrical, RF engineer - Collaborated with chip vendors in regard to WiFi / Bluetooth, antenna manufacturer, development consignment destination, EMS and in-company software or mechanical engineers and certification representatives. - Specified requirements of antenna and RF performance metrics. Produced validation item list and evaluation schedule. Evaluated them by oscilloscope, spectrum analyzer, network analyzer, data logger, Bluetooth sniffer and WiFi test set. - Executed troubleshooting about Rx sensitivity degradation by internal noise in 2.4GHz band. - Researched RF regulatory of TELEC, FCC and CE and prepared EUTs for certification test. - Prepared EUT and technical materials to acquire Bluetooth SIG certification and conducted listing. - Managed tasks which members in small team have. - Audited prototype production line and analyzed failure there. Defined standards of manufacturing test in basis of regulatory standards.