[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 2022 Antenna Q&A Related Knowledge Base Posts -[ANT] How wide should my routing of RF from module to antenna be?[ANT] Can I somehow make a PCB antenna for 915 MHz more compact?[ANT] I would like to ask you if you have some reference design for usage of chip antenna with 868 MHz RC1181-TM.