The Naza M Lite and Naza M V2 GPS/ Compass unit uses the same GPS chip.
Note 1575R-A is ANTENNA GPS PATCH 1575MHZ. It cracks often from crashes so we ordered a few pieces together from Digikey. It’s hell cheaper than getting the whole unit that’s about USD$160.00 on ebay.
Part number: GP.1575.25.2.A.02
Direct link: http://www.digikey.sg/product-detail/en/GP.1575.25.2.A.02/931-1016-ND/2332643