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2026-09-06T06:03:11Z

Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex

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'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

== Summary ==
Technical overview of the USB-to-M.2-B-Key driver board for connecting 5G/4G modules to a computer, Raspberry Pi, or Jetson Nano via USB 3.1.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/WSAL23252 WSAL23252 – 5G DONGLE Module, quad antennas, USB3.1 port, Aluminum Alloy Heatsink, M.2 Key B Interface, Options For 5G Module]
* [https://shop.jw-tech.eu/p/WSAL25928 WSAL25928 – 5G DONGLE Module, quad antennas, USB3.1 port, Aluminum Alloy Heatsink, M.2 Key B Interface, Options For 5G Module]
* [https://shop.jw-tech.eu/p/WSAL25930 WSAL25930 – 5G DONGLE Module, quad antennas, USB3.1 port, Aluminum Alloy Heatsink, M.2 Key B Interface, Options For 5G Module]

== Technical overview ==
* The board is a module driver board and cannot operate alone; it requires a compatible 5G or 4G module with an M.2 (NGFF) Key B interface.
* Supports 5G modules in 3042/3052 form factor, such as SIM82XX and RM50XQ series.
* Four IPEX-to-SMA antenna connectors allow direct antenna installation.
* A NANO SIM card slot is provided.
* A USB 3.1 Type A port enables connection to a PC, Raspberry Pi, or Jetson Nano.
* An aluminum alloy heatsink cover improves heat dissipation.
* Multi-slots and mounting holes are reserved for integration.
* PCB finish: immersion gold.
* Power and network LEDs plus test pads are available for diagnostics.

'''Commands and examples – verify before use:'''
<syntaxhighlight lang="text">
AT
ATE1
ATE0
AT+CGMI
AT+CGMM
AT+CGSN
AT+CSUB
AT+CGMR
AT+IPR?
AT+CFUN=1,1
AT+QUIMSLOT?
AT+CPIN?
AT+COPS?
AT+CEREG?
AT+C5GREG?
AT+QENG="servingcell"
AT+QNWPREFCFG=?
AT+QCFG="usbnet",2
AT+QGPS=1
AT+QGPSLOC=0
</syntaxhighlight>

== Notes and version constraints ==
* The device cannot operate without a compatible module.
* Compatibility of other M.2 B-Key modules must be verified against the pinout and confirmed by practical testing.
* Speed measurements depend heavily on location, network load, coverage, and carrier limits; lab values are often not reached in the field.
* On Linux, detection can be checked using "lsusb" and "ls /dev/ttyUSB*".
* IPEX connectors are fragile; when removing the module, gently wiggle side-to-side and pull evenly.
* Increased fan noise after prolonged use may be due to lubricant evaporation and is not necessarily a fault.
* Modules lacking USB functionality (PCIe only) are not supported; only modules with USB functionality and matching pinout are suitable.

== Source and revision record ==
* [https://www.waveshare.com/wiki/USB_TO_M.2_B_KEY USB TO M.2 B KEY - Waveshare Wiki]
* Source revision: 110889
* Captured: 2026-09-04T02:47:29+00:00
* SHA-256: <code>ea0e9d2565a7b94ba3757890010882e71e71dab2dd3be2c8c0e5f2d8dc0e30be</code>

WSAL23252 – USB TO M.2 B KEY/en - Versionsgeschichte

JWTechPublisher: Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex