In a design review with facilities, a contractor claims a higher-dBi antenna 'adds free amplification like an amplifier in the antenna.' How should the wireless expert respond?
Select an answer to reveal the explanation.
Short Explanation
Antennas don't print free watts — they squeeze the same energy into a tighter beam, like a flashlight reflector. Higher dBi usually means skinnier coverage and careful EIRP math, not a magic amp inside the radome.
Full Explanation
Antenna gain in dBi describes passive directivity: energy is concentrated in preferred directions and reduced elsewhere, affecting coverage shape and regulatory EIRP. It is not an active amplifier that creates power without trade-offs. The claim that dBi is Bluetooth-only, or that removing antennas improves uniform radiation, is incorrect.