UTracker 02----- 70$ core module integareted with all regulator with 10pins
iTrax04 & 08 ----- 55 - 60$ only module with 4Mbit & 8Mbit RAM with 40pin AMP connector
Ublox ----- 65$
all the above with 3mts accuracy and with out antenna
Jupiter TU30-D410 ---120$ core module with 20pins
5mts accuracy with out antenna
for further more information on GPS receiver please PM