What's the range of 4.32cm long antenna (433.92 Mhz)?

I am syed Talha currently working for a company, where my responsibilities r to design electronic circuit , design antenna. As of we r using 433.92MHz frequency,Can u suggest what distance it can cover as of our antenna length is 4.32cms......

can u specify the gain of ur antenna...

The RF coverrage involves a lot of factors such as PA, NF, modulation and antenna. Without the system information, no one could answer your question.