PSP-290

Specification Sony GPS Receiver PSP-290
 - Reception Frequency:  1575.42MHz (L1 ban, C/A code)
 - Receiver:                  20 channels
 - Receiver Sensitivity:  following: -153dBm, captured: -140dBm
 - Position Update Interval:  approximately 1s
 - Position Precision:          5m (2DRAMS, -130dBm)
 - Size (W x H x D):          45mm x 41mm x 17mm
 - Weight:                  Approximately 16 grams

The Sony GPS PSP-290 is an add-on accessory for Play Station Portables. At only some 40 odd mm squared and 16g or so its not a hefty or weighty accessory. It has a 20 channel GPS receiver which provides position accuracy to 5m.
Sony have PSP map software which allows users to find points of interest (POI) on city maps. Searches can be make for addresses and locations can be bookmarked as favorites and comments added. Comments and POI bookmarks can be exchanged with other Sony PSP users. Its another example of a GPS manufacturer trying to encourage a viral type use of their product Tom Tom have their Buddies application.
With its atypical user base the PSP promises some fairly interesting software applications including gaming. One software package available includes maps of Japanese golf courses and allows golfers to check distances to the green and obstacles. There is also a car navigation application which has roadmaps for Japan. The latest maps can be downloaded using the PSP networking capabilities.

GPS Receiver (PSP-290)