The societal benefits of wireless communications technologies are arguably only outshined by their absolute presence in our modern environment. The electromagnetic energy medium used to communicate mindboggling magnitudes of digital data, is also a very new physical exposure for biology. Ever-present exposures, coupled with our naive biology have given rise to concerns about the potential safety of such technologies, concerns which are further amplified by gaps in our biophysical understanding of how this non-ionising energy may interact with our health. These concerns extend a spotlight on the externalised parts of the male reproductive tract which may be subject to higher rates of exposure, and coupled with the inherent vulnerabilities of the spermatozoon, the influence of wireless communication on male fertility is a central part of the debate. In a controversial field, we and others have shown that even at moderate levels of exposure across both animal models and those applied directly to spermatozoa, there are clear effects on fertility potential. Here we present an overview of the molecular impacts of wireless communication electromagnetic energies on spermatozoa which are tightly linked to hallmarks of oxidative stress. While this depth of understanding is a key step toward assessing the risk on male fertility, these data also provide a rational for elucidating the potential mechanisms of how such a low energy factor may interact with our health more generally.