New GPS Receiver with Case for Sony PSP 1000 Slim 2000

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.

Reception Frequency: 1575.42MHz (L1 ban, C/A code)
Receiver: 20 Channel
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