Snapdragon X20 LTE Modem

Introducing maximum modem speed. Meet the world’s first-announced modem to support Cat 18 LTE, the Qualcomm® Snapdragon™ X20 LTE modem. With the fastest LTE download speeds yet, our second generation Gigabit LTE modem, built in a leading-edge 10nm FinFET process, is yet another step on the path to 5G—helping more operators around the world bring fiber optic speeds wirelessly to your device for the latest generation of mobile experiences.

Snapdragon X20 LTE Modem Specs

Cellular Modem


  • Snapdragon X20 LTE Modem

LTE Category

  • LTE Category 18 (downlink)
  • LTE Category 13 (uplink)

Downlink Features

  • 5x20 MHz carrier aggregation
  • Up to 256-QAM
  • Up to 4x4 MIMO on three carriers
  • Maximum 12 spatial streams

Uplink Features

  • Qualcomm® Snapdragon™ Upload+
  • 2x20 MHz carrier aggregation
  • Up to 2x 75Mbps LTE streams
  • Up to 64-QAM
  • Uplink data compression

Peak Download Speed

  • 1.2 Gbps

Peak Upload Speed

  • 150 Mbps

Supported Cellular Technologies

  • LTE TDD including CBRS support
  • LAA
  • LTE Broadcast
  • CDMA 1x
  • EV-DO

Multi SIM

  • Dual SIM Dual VoLTE (DSDV)

Next-generation Calling Services

  • VoLTE with SRVCC to 3G and 2G
  • HD and Ultra HD Voice (EVS)
  • CSFB to 3G and 2G