# References Source: [https://docs.qualcomm.com/doc/80-63441-4/topic/References.html](https://docs.qualcomm.com/doc/80-63441-4/topic/References.html) ## Related documents | Title | Number | | --- | --- | | **Qualcomm Technologies, Inc.** | **Qualcomm Technologies, Inc.** | | QCX216 AT Commands Manual | 80-33458-4 | | QCX217 PMU User Guide | 80-50330-17 | | QCX217 AT command manual | 80-50330-4 | | **Standards** | **Standards** | | AT command set for User Equipment (UE) | 3GPP TS27.007 | ## Acronyms and terms | Acronym or term | Definition | | --- | --- | | API | Application Programming Interface | | AMM | Aware Mass Market | | ASN | Aware Serial Number | | CA | Certificate Authority | | CEP | Circular Error Probable | | DSN | Device Serial Number | | GNSS | Global Navigation Satellite System | | GPS | Global Positioning System | | HTTPS | Hypertext Transfer Protocol Secure | | LaaS | Location as a Service | | MCU | Microcontroller Unit | | OEM | Original Equipment Manufacturer | | REST | Representational State Transfer | | URL | Uniform Resource Locator | Last Published: Jul 16, 2025 [Previous Topic LaaS end-to-end call flows](https://docs.qualcomm.com/bundle/publicresource/80-63441-4/topics/LaaS-end-to-end-call-flows.md)