Tested: 5G Boosters' Surprising 4G Band Compatibility In a world where 5G promises lightning-fast speeds, the question remains: do these cutting-edge boosters still matter for users tethered to 4G networks? A recent round of testing revealed a fascinating twist-some 5G signal amplifiers, like the Cell Phone Booster for Home & Office, are quietly compatible with a wide array of 4G frequency bands, including 2/25, 4/66, 5/12, 17/13. Even the Harper Grove Cell Phone Internal Antenna Signal Reception Booster (a three-pack solution for Android, Alcatel, Apple, and more) managed to deliver usable signals on older 4G bands, proving that their versatility extends beyond just 5G. Meanwhile, the 4G Volte Big Button Cell Phone for Seniors-a sleek, user-friendly device with an SOS button, 2MP camera, and loud speaker-remained steadfast in its 4G adherence, while the charming Opis 60s Micro retro handset, with its vintage design and analog-style interface, offered a nostalgic alternative to modern connectivity. The results? While 5G boosters excel in their primary role, their ability to bridge the gap with 4G bands ensures they're more than just a future-facing upgrade. Whether you're a tech enthusiast seeking overlap or a user prioritizing simplicity, these products challenge the notion that 5G and 4G are entirely separate worlds. After all, in the spectrum of connectivity, compatibility might just be the unsung hero.