c-i-a.com
1997 · 1991 · ITU Region 1

Section 4 of 5

What has to implement it

Antennas, front ends, chipsets and the physical limits.

Close-up of a green circuit board with capacitors, a microchip, and connector pins
A board with the shielding off — filters, switches and amplifiers, each band-specific.
Photo: Pixabay / Pexels

Start here

Everything between the antenna and the chip

Filters, amplifiers and switches in the RF front end determine real performance more often than the baseband does, and they are band-specific.