What is LTE Cat 3?

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May 27, 2024

LTE Cat-3 (LTE Category 3) 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 3 user equipment. LTE Cat 3 UEs support a data rate of 102.0 Mbit/s on the downlink and 51.0 Mbit/s on the uplink with 2 layers for spatial multiplexing in downlink (DL) and no support for 64-QAM in uplink (UL).

Key Specifications of LTE Cat 3 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.