M.2 to mPCIe adapt. SIM-slot

Article Number: 10231
Brand: BPlus
Supplier number: M2MU2-S

Adapter to use for fitting an M.2 modules such as GSM, HSPA(3.5G), GPS, LTE or WiFi modules into a mPCIe slot. The adapter also contains a SIM-card holder that is very practical if the main board doesn't have a SIM-slot.

This product is no longer manufactured. We recommend our own Techship MP201-S Adapter as replacement.


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We suggest Techship MP201-S Adapter (M.2 Key B - mPCIe, USB2/USB3, Dual SIM)
as replacement for this module.

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Data Interface
USB 2.0
Module KEY
Connector Type

The M.2 to miniPCIe adapter with SIM-slot doesn't fit in all host systems, why?


Some host systems miniPCIe sockets are not compatible with the design of this adapter, this because the SIM card holder situated on the underside of the adapter circuit card close to where the hosts miniPCIe socket connects can short circuit the socket wires in some variants of miniPCIe slots.

Please first test compatibility in your project application.

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M.2 to mPCIe adapt. SIM-slot

What is a key? What is the difference between the keys?


When talking about the m.2 format, a key is a way to limit the type of product that can be connected to the interface.

A key represent by what interfaces that the m.2 device can communicate with the host device. It also tells how many lanes the device can use. The amount of lanes will affect the speed.

In the m2m and IoT world, one would need to know the following about keys. Cellular modules with the m.2. format has a m.2 key of type B and a WiFi module has an m.2. key of type E. This means that you need to check your m.2. slot to make sure that the kind of module you want really fits.

A heads up: There exists keys of type A and type M as well, and more will be added in the future. Check so your m.2 slot kas the right key for the right product you want.