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Sony Ericsson SIM Card Reader
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Applies to:

Sony Ericsson MD300


Sony Ericsson


Input/Output Devices


Windows Vista

File Size:

16.7 MB

File Name:

Release Date:




Last Updated:



/5 from 20 reviews.


  • Type: Data Reader
  • Interface: USB 2.0
  • Networks: HSDPA 850/1900/2100 MHz UMTS 850/1900/2100 MHz EDGE 850/900/1800/1900 MHz GPRS 850/900/1800/1900 MHz
  • Download Speeds: 3.6 Mbps (HSDPA), 247.4 Kbps (EDGE)
  • Upload Speeds: 384 kb/s (HSDPA), 123.7 kb/s (EDGE)


The MD300 Mobile Broadband USB Modem is compatible with various operating systems such as the Apple MAC OS, Windows 2000, Windows XP, and Windows Vista. Its drivers include NDIS 5 driver and Microsoft XP WHQL certified drivers. It is capable of accessing different network protocols such as HSDPA, UMTS, EDGE, and GPRS. It has typical HSDPA download speeds of 3.6 Mb/s and upload speed of 384 kb/s. For EDGE it has a typical download speed of 247.4 kb/s and 123.7 kb/s upload speed.

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To function, GSM mobile phones need a tiny microchip called a SIM card. The letters stand for Subscriber Identity Module, which indicates the purpose of the card. This is a very small card, usually no larger than the pad of a finger, that is inserted in GSM phones to permit the user to access a network by using a subscription key or ID to a telephone service. Because the IMSI is stored on the card, users do not need to change their identifying keys to a network whenever they change their mobile phone unit, and only need to insert the same SIM card that they were using before.