Interactive QCI / 5QI Table
QCI (QoS Class Identifier) defines the quality of service classes in 4G LTE (3GPP TS 23.203). 5QI (5G QoS Identifier) is its 5G NR equivalent (3GPP TS 23.501), extended to cover new use cases such as V2X, mission-critical communications, and low-latency enhanced mobile broadband.
Explore the complete QCI and 5QI reference table with 4G/5G mapping. Filter by number, resource type (GBR/Non-GBR), or service. Click on any row to expand details. All values conform to 3GPP Release 18 specifications.
Updated March 2026 ยท 3GPP TS 23.203 & TS 23.501 Release 18
QCI Table (4G LTE) โ 3GPP TS 23.203
| QCI | Type | Priority | Delay (ms) | PELR | Services |
|---|
PELR = Packet Error Loss Rate. Click on a row to view details.
Understanding QCI and 5QI
Defined in 3GPP TS 23.203, QCI classifies EPS bearers into 9 standardized classes. Each class defines a priority level, delay budget, and acceptable loss rate, ensuring appropriate quality of service for each traffic type.
Defined in 3GPP TS 23.501, 5QI extends the QCI concept for 5G NR. It retains the original 9 classes and adds values for V2X, mission-critical communications, low-latency broadband, and other advanced services.
GBR (Guaranteed Bit Rate) bearers provide a guaranteed data rate for real-time services (voice, video). Non-GBR bearers operate on a best-effort basis and are used for standard data traffic (web, email, signaling).
Introduced in 5G, this type combines bit rate guarantees with strict latency constraints. Used for V2X, industrial augmented reality, and other ultra-reliable low-latency (URLLC) applications.
Frequently Asked Questions about QCI and 5QI
What is a QCI in 4G LTE?
What is a 5QI in 5G NR?
What is the mapping between QCI and 5QI?
What is the difference between GBR and Non-GBR?
How does HiCellTek display QCI and 5QI?
Which QCI values are used for VoLTE?
Related Resources
Convert an EARFCN to LTE or 5G NR frequency.
Evaluate your 4G/5G signal quality.
Detailed explanation of QoS Class Identifier.
9 network diagnostic modules for 2G/3G/4G/5G on Android.
HiCellTek Pro displays the QCI and 5QI of each active bearer in real time, along with guaranteed bit rates, priority levels, and all associated QoS parameters. Full L3 decoding of NAS and RRC messages for in-depth quality of service analysis in the field.