[ANT] I have an existing 2.4GHz design. Now I want to change to an 868 MHz solution. Can I reuse the antenna? No, the antenna made for 2.4 GHz will perform very bad at 868 MHz Last Update: August 8, 2017 January 11, 2017 1718 Antenna Q&A Related Knowledge Base Posts -[ANT] How can I hand-solder the first prototypes?[ANT] Can I use a chip antenna on 868/915 MHz?[ANT] How can I optimize my antenna performance?