| See below E-UTRA operating bands for UE category CAT1bis(LTE-CAT1bis), category M (LTE-M) and category NB (NB-IoT). Table data gathered from 36.101 V18.1.0 (2023-04-07). | 
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| View 4G LTE Frequency Bands:  | 
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| View 5G NR Frequency Bands:    | 
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| 1. This band is restricted to NB-IoT operation only. | 
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| Carrier | Cellular IoT Bands |  
| AT&T | 2, 4, 12 |  
| Verizon | 2, 4, 5, 13, 66 |  | 
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| *Category NB systems operate in HD-FDD (Half-Duplex Frequency Division Duplex) duplex mode (UE device transmits in one frequency band and receives in another frequency band, but it cannot transmit and receive simultaneously). | 
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| *The difference between LTE-Cat1 and LTE.Cat1.bis is that LTE-CAT1 BIS operates using a single antenna while offering the same level of data rate, reliability, and latency. LTE Cat1, requires an IoT device to have 2 antennas. LTE Cat1 BIS IoT devices are therefore smaller and more cost effective. | 
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