Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
a monopole antenna is like a whip, and for best performance, you need to set the antenna height to 1/4 wavelength, i have attached a picture of monopole antenna and the link to antenna length calculator below.
**broken link removed**
here is a RF module external antenna height calculator and design guide.:lol: