FXP74 Black Diamond 2.4GHz Flexible PCB Antenna Taoglas FXP74 Black Diamond 2.4GHz Flexible PCB Antenna is a small ultra-low profile antenna for the 2.4GHz band that includes BLUETOOTH®, Zigbee, and Wi-Fi single-band applications. The FXP74 features a peak gain of 4dBi at 2.4GHz and efficiencies above 50%. This antenna measures 14mm x 7.0mm x 0.1mm, is made from a flexible polymer, and offers stable performance across various applications. Double-sided 3M tape allows easy peel-and-stick mounting in narrow spaces.