Cel-Fi DUO+

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The Cel-Fi DUO/DUO+ are designed to dramatically improve HD voice and data coverage in up to two bands for 3G/4G/LTE for consumers while significantly improving network. Good things do come in small packages: With 3G/4G/LTE support, Cel-Fi DUO/DUO+ are compatible with the highest data services application available. All new patented echo cancellation algorithms enable Cel-Fi DUO/DUO+ to offer even higher signal levels throughout the coverage area than before.