[This tiny Linux based WiFi device from Sony can act as a file server or web server to 250 WiFi users in its vicinity.]

by Robert Whitinger - MobileTechNews -- Sony chose the Net&Com 2003 conference in Tokyo last week for the first public showing of the Walkman sized FSV-PGX1 WiFi server. Although this device is small (only 390 grams, and measuring 83x155x31mm), it holds a full 20GB of disk storage and includes a built-in 2.4GHz WiFi 802.11b interface. With such a small size it can be used to set up a temporary or portable server environment quickly and easily, or can be used to easily carry work between office and home.

Internally, the FSV-PGX1 runs the Linux 2.4.20 operating system, and claims file compatibility with Windows, Mac, Pocket PC, and Unix via ftp, nfs, and cifs. Security improvements are provided with a combination of 64 or 128 bit WEP encryption, MAC validation, IP validation, and RF power control.

The device contains a battery for short term backup during orderly power shut down protecting important data even in the event of a sudden power failure, but it relies on power from the mains for the long term due to its higher power requirements. An optional cradle serves as a power source and provides a 10/100 Ethernet connection as well.

Configuration settings can be accessed via a front panel LCD or via a web browser interface.

Specifications:

- Linux 2.4.20

- Hard disk 20GB (17GB user area), ext3 file system

- File protocols: CIFS/SMB (Microsoft Windows), NFS v.3 (Unix/Linux/Macintosh), FTP

- Network service: DHCP server/client, HTTPD web server

- UPS function: backup battery built in to support auto-shutdown in the event of main power failure

- Size: Width 83mm x height 155mm x depth 31mm

- Weight: 390 grams

- Power: less than 15 watts, 100 VAC 50/60Hz (AC adapter)

- WiFi 802.11b, 2.4GHz, Channels 1-13

- Data rates: 1/2/5.5/11 Mbps automatic recognition

Sony plans to first introduce the product in Japan around the end of March with a price tag around US$585.

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