868MHz PCB/planar antenna design - resonance and return loss quite off - Sub-1 GHz forum - Sub-1 GHz - TI E2E support forums
High Gain Helical Dual Band Pcb Panel Spring Antenna With 2.4ghz 868 915 433 Mhz 868mhz Dbi For Wifi Wireless Router Outdoor - Buy High Gain Helical Dual Band Pcb Panel Spring Antenna With 2.4ghz 868 915 433 Mhz 868mhz Dbi For Wifi Wireless ...