Review: Sprint R850 by Franklin Wireless (Mobile WiFi Hotspot)


Released in February 2016, this is Sprint's newest hotspot device - and is one of only two hotspots currently supporting Sprint's LTE Plus carrier aggregation features.

But it isn't necessarily the best option Sprint has to offer.


  • Battery Life: 8 hrs usage / 41 hrs standby
  • # of Connected Devices: 10 Wi-Fi / Supports USB Tethering
  • Networks supported:
    LTE Bands: 25, 26, 41 (aka "Sprint Spark") - hardware also supports 2, 4, 5, 12
    3G: No 3G fallback. LTE only.
  • LTE-Advanced Carrier Aggregation: Yes (2x 10MHz channels)
  • LTE Performance Category: Category 4
    (Max Theoretical Speed: 150Mbps Down / 50Mbps Up)
  • Cellular Antenna Ports: None
  • Wi-Fi Technology / Frequencies: 802.11 b/g/n - 2.4GHz
  • Dimensions: 3.46" x 2.62" x 0.47"" /  3.5 oz
  • SIM Card Type: 3FF / Micro SIM (not confirmed)
  • Retail Price:  $144

Testing Status: We do not currently intend to obtain a review unit of this model, but several of our site members have shared their experiences with us.

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Purchasing Options

Franklin Wireless R850 Wi-Fi Ratings
  • Overall Ratings

Quick Take

Lacking 3G-fallback support, this LTE-only hotspot comes packed with limitations. Unless you are in a strong Sprint coverage area and will not be traveling, there are probably better options.

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