RFiFEM – Complete Mobile Wi-Fi Solution
A new coexistence challenge is presented by Power Class 2, an emerging standard for higher output power in TD-LTE band 41 (2.5 GHz) and potentially other high frequency bands. Power Class 2 increases handset output power from 23 dBm to 26 dBm. The increase in output power compensates for greater propagation losses at higher frequencies enabling carriers to maintain cell coverage without adding expensive infrastructure.
The filtering challenge is to attenuate these higher power LTE signals sufficiently to protect the neighboring 2.4 GHz Wi-Fi spectrum. Greater filter attenuation is required to avoid interference.
Qorvo’s iFEM solutions combine PA, LNA, switch and coexistence filter into a single package to address these technical challenges
See further information in Qorvo’s Mobile Wi-Fi Brochure: