[ANT] Can I use a PCB antenna on 169 MHz? You can, but it would require a very large PCB. Normally we se a helical wire antenna being a better solution. Last Update: August 8, 2017 January 11, 2017 1305 Antenna Q&A Related Knowledge Base Posts -[ANT] How can I hand-solder the first prototypes?[ANT] Can I use the module without antenna for very short range.[ANT] Can I use an external antenna on my product and feed RF from PCB to housing in a coax cable?