Found 7 alternatives for LMH2121TMX/NOPB by Texas Instruments. Rf Detectors — 4-WFBGA, DSBGA.
LMV226 RF POWER DETECTORS FOR CD
IC RF DETECT 450MHZ-2GHZ 4DSBGA
LMV225 RF POWER DETECTOR FOR CDM
IC RF DETECT 450MHZ-2GHZ 4DSBGA
IC RF DETECT 450MHZ-2GHZ 4DSBGA
IC RF DETECT 100MHZ-3GHZ 4DSBGA
IC RF DETECT 450MHZ-2GHZ 4DSBGA