MM4U-DB4U (DB4U to M.2 Card Vertical Extender with SIM Card Slot)

First Impression 

•  MM4U is vertical extender from M.2 Key B Card slot to M.2 Card together with DB4U. It is very convenient especially to apply a “3042 size” M.2 Card module to a “2230 / 2242 size” M.2 Card slot. 
• As MM4U has a SIM card slot, wireless M.2 Card modules which require SIM Card such as 3.5G HSPA / 4G / LTE can be used, even though the original M.2 slot is not connected to a SIM card slot. 
• The combination of MM4U and DB4U is the best solution for 3G/LTE M.2 card evaluation.

 Specifications

• M.2 Specification Revision 1.0
• Type B: can insert type 3042 M.2 card to type 2230/2242 type M.2 slot.
• SIM Card Slot : 
  Suitable for USB 3G/LTE wireless M.2 Card modules 
  (HSDPA/HSUPA, UMTS, CDMA GSM, GPRS, EDGE)

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