Dual Band PCB Antenna Inventek Systems Dual Band PCB Antenna is a high-efficiency antenna solution designed for 2.4GHz and 5Ghz Wi-Fi® and ISM band applications, such as WLAN products. It features a center-fed 90mm cable terminated with a U.FL/IPX connector. This low-profile, compact antenna from Inventek Systems is designed to be embedded into devices, eliminating the need for an external antenna.