Chengdu ZIISOR Technology Co., Ltd is an industrial grade antenna manufacturer devoted to antenna development and production for more than 10 years. ZIISOR produces various types antennas such as rubber duck, magnetic, fiberglass, panel, yagi and embedded ones covering various frequency bands including 433MHz, 868MHz, 915MHz, 2.4/5.8GHz Wifi, 5G/4G/GSM antennas and accessories. Concentration makes ZIISOR more professional.