Product Overview: Sprint R850 by Franklin Wireless (Mobile WiFi Hotspot)


Released in February 2016, this hotspot currently supports 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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