[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 1379 Antenna Q&A Related Knowledge Base Posts -[ANT] Can I use an external antenna on my product and feed RF from PCB to housing in a coax cable?[ANT] For the receiver we have planned to use a SMA 169 MHz antenna. We are in contact with several suppliers. From your side and your customer experience do you have recommendations regarding SMA antennas ref and/or antenna suppliers ?[ANT]”Is a flexible antenna (a wire) simply soldered close to the RF-Plane sufficient aa antenna – or a perpendicular soldered stiff wire with quarter wavelength over a ground plane leads to the best result?