All ProductsSemtechSemiconductorsRf/if And RfidRf Transceiver Ics Manufacturer Line SEMTECH SEMTECH Browse Categories Product Lines Semiconductors Rf/if And Rfid Rf Transceiver Ics Available Inventory Manufacturer Parts SX1211I084TRT IC RF TXRX ONLY GENERAL ISM < 1GHZ 863MHZ ~ 870MHZ, 902MHZ ~ 928MHZ, 950MHZ ~ 960MHZ 32-WFQFN EXPOSED PAD MFR. Name: Semtech SX1255IWLTRT IC RF TXRX ONLY 802.15.4 400MHZ ~ 510MHZ 32-WFQFN EXPOSED PAD MFR. Name: Semtech SX1257IWLTRT IC RF TXRX ONLY 802.15.4 862MHZ ~ 1.02GHZ 32-WFQFN EXPOSED PAD MFR. Name: Semtech SX1272IMLTRT IC RF TXRX ONLY 802.15.4 LORA? 860MHZ ~ 1.02GHZ 28-VQFN EXPOSED PAD MFR. Name: Semtech SX1276IMLTRT IC RF TXRX ONLY 802.15.4 LORA? 137MHZ ~ 1.02GHZ 28-VQFN EXPOSED PAD MFR. Name: Semtech SX1278IMLTRT IC RF TXRX ONLY 802.15.4 LORA? 137MHZ ~ 525MHZ 28-VQFN EXPOSED PAD MFR. Name: Semtech SX1279IMLTRT IC RF TXRX ONLY 802.15.4 LORA? 137MHZ ~ 1.02GHZ 28-VQFN EXPOSED PAD MFR. Name: Semtech XE1203FI063TRLF MFR. Name: Semtech