# QRB5165 subsystem
The QRB5165 + 4G/5G module consists of two subsystems:
- QRB5165 AP/Wi-Fi/Audio subsystems
- 4G/5G module
Table : 1. QRB5165 subsystem
| Processor | PMIC | Wi-Fi(11ax)/Bluetooth® | Audio |
| --- | --- | --- | --- |
| QRB5165 | PM8250
PM8150B
PM8150A or PM8150L
PM3003A-5
PM8009-1
PMK8002
SMB1355 or SMB1390 | QCA6391 (FCNSP) or
QCA6390 (Bumped die) | WCD9380/WCD9385
WSA881x |
Note: SMB1355 or SMB1390 is optional for parallel charging with additional charging capability.

**Parent Topic:** [QRB5165 overview](https://docs.qualcomm.com/doc/80-PV086-5P/topic/qrb5165-overview.html)
Last Published: Jul 07, 2023
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