1Dual Frequency Band: Support 24002500MHz, 49005900MHz dual frequency band, professional antenna internal design, small and exquisite, easy to install. 2Stable Signal: This built in antenna uses high quality PCB rigid board, the signal is better and more stable, wide range, durable, and can be used for a long time. 3IPEX Interface: The internal antenna adopts the 1st generation IPEX interface, which has good oxidation resistance and can be plugged and used multiple times. 4High Quality Wire: RG13 wire, soft and firm, resistant to folding and durable, high density weaved shielding layer oxygen free core, fast and stable transmission. 5Widely Applicable: This antenna is suitable for data transmission equipment such as wireless monitoring WIFI, for ZIGBEE, BT modules, smart homes, etc.