Dual Frequency GPS L1 L2 Receiver with High Accuracy GPS Gnss Rtk System Differential GPS - China GPS Rtk, Rtk GPS | Made-in-China.com
Sampling rate for GPS signals : r/DSP
Navigating the L1, L2 and L5 Band Options for GNSS
RA-50 GPS L1 Band GPS Signal Repeater with LNA [RA-50] - $89.98 : Mobile GPS Online - Geoidsoft Inc., GPS solutions - quality & effective - global service