YOLYCOM GROUPS CO LTD dedicates to radio frequency technologies. YOLYCOM products include all parts in the RF line for wireless systems: passive components, active amplifiers and engineering material, indoor and outdoor. YOLYCOM RF line products serve all cellular networks (GSM, CDMA, DCS, PCS, UMTS, TD-SCDMA) plus WiFi, WiMax and other wireless systems. YOLYCOM is a unique source for RF line component total solution, customized engineering support and optimization advices.