What is LTE Cat 12?

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May 30, 2024

LTE Cat 12 (LTE Category 12) is an LTE user equipment (UE) category that defines the performance and specifications – such as data rate, power, type of modulation, bandwidth, etc. – of LTE Cat 12 UE. LTE Cat UEs are based on LTE Advanced (LTE-A) technology with support for a data rate of 603.0 Mbit/s on the downlink and 102.0 Mbit/s on the uplink. They utilize MIMO (Multiple Input - Multiple Output) and Carrier Aggregation to deliver higher data rates and support 2- or 4-layer spatial multiplexing in downlink (DL).

Key Specifications of LTE Cat 12 UE



3GPP Release


Downlink Peak Data Rate

1 Mbit/s

Uplink Peak Data Rate

1 Mbit/s 

Maximum system Bandwidth

20 MHz

Device Transmit Power

23 dBm

Transmission Mode

Half Duplex

Number of antenna(s)

Power saving mode


Number of Downlink MIMO Layers



  • DL-SCH stands for Downlink shared channel,
  • UL-SCH stands for Uplink shared channel,
  • TTI stands for Transmission Time Interval,
  • PDCP stands for Packet Data Convergence Protocol,
  • SDU stands for Service Data Unit.

View all LTE User Equipment Categories.