D-link dwm-222. Device type mobile network modem, market positioning portable. Data network lte, 2g standards edge, gprs, gsm, 3g standards dc-hspa+, hspa, umts, wcdma. Compatible memory cards microsd (transflash), max. Memory card size 32 gb. Supports windows operating systems windows 7 enterprise, windows 7 enterprise x64, windows 7 home basic, windows 7 home basic x64,..., Supports mac operating systems mac os x 10.5 leopard, mac os x 10.6 snow leopard, mac os x 10.7 lion, mac os x 10.8 mountain..., Certification rohs, ce, whql. Weight 33 g, dimensions (wxdxh) 34 x 103 x 11.5 mm