1X(4G LTE Internet Router with Sim Card Slot Unlocked Mobile Hotspot Modem3594

(Support sim card: 3G/4G Nano Sim Card. It effectively reduces co-channel interference, expands the wireless transmission range. 1 x Nano Sim). 4G LTE-FDD: B1/B3/B7/B8/B20/B28. 4G LTE-TDD: B38/B40/B41.

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