Si24R2 2.4GHz GFSK 2.4GHz ISM ：GF.
CSM
Si24R2E - 2.4GHz Ultra-Low Power Active RFID Tag System SoC
Si24R2E 2.4GHz RFID SoC 2.4GHz ISM 128 NVM 3KHz RCOSC Watchdog 3.3V ：GFSK ：2Mbps/1Mbps/250Kbps ：700nA ：15uA .
CSM
Si24R2 - Ultra-low power high-performance 2.4GHz GFSK wireless transmitter
Si24R2 2.4GHz GFSK 2.4GHz ISM ：GFSK/FSK ：2Mbps/1Mbps/250Kbps ：300nA ：15uA ： ≤ 130uS PSRR LDO ：1.9-3.6V I/O :1.9-5.25V ：16.
CSM
Si24R2H - Ultra-low power high-performance 125kHz receiver
Si24R2H Si24R2H Rev1.5 2022/11/01 Si24R2H 125KHz 2.4GHz GFSK 2.4GHz ISM BLE 4.2 15KHz-150KHz 32 NVM 3.3V /125KHz .
