![868MHz PCB/planar antenna design - resonance and return loss quite off - Sub-1 GHz forum - Sub-1 GHz - TI E2E support forums 868MHz PCB/planar antenna design - resonance and return loss quite off - Sub-1 GHz forum - Sub-1 GHz - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/156/pcb_5F00_design.png)
868MHz PCB/planar antenna design - resonance and return loss quite off - Sub-1 GHz forum - Sub-1 GHz - TI E2E support forums
![Bad HFSS simulation result for DN023 868M inverted F antenna - Other wireless technologies forum - Other wireless - TI E2E support forums Bad HFSS simulation result for DN023 868M inverted F antenna - Other wireless technologies forum - Other wireless - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/667/4.jpg)
Bad HFSS simulation result for DN023 868M inverted F antenna - Other wireless technologies forum - Other wireless - TI E2E support forums
CC3200: [Urgent help] PCB and SMA external antenna weak signal - Wi-Fi forum - Wi-Fi - TI E2E support forums
![Meandered Inverted F Antenna Impedance question using CC2530 on a custom PCB - Other wireless technologies forum - Other wireless - TI E2E support forums Meandered Inverted F Antenna Impedance question using CC2530 on a custom PCB - Other wireless technologies forum - Other wireless - TI E2E support forums](http://e2e.ti.com/resized-image.ashx/__size/550x0/__key/CommunityServer-Discussions-Components-Files/155/2146.Untitled.bmp)