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Dual Frequency GPS L1 L2 Receiver with High Accuracy GPS Gnss Rtk System Differential GPS - China GPS Rtk, Rtk GPS | Made-in-China.com
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Beitian 28dB internal ceramic patch active gps antenna BDS B1 GPS L1 GLONASS L1 GALILEO E1 OEM GNSS Antenna BT-4510F - AliExpress
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Beitian 28dB internal ceramic patch active gps antenna BDS B1 GPS L1 GLONASS L1 GALILEO E1 OEM GNSS Antenna BT-4510F - AliExpress
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![2: Frequency spectrum for the L1 and L2 GPS-signals. The lower picture... | Download Scientific Diagram 2: Frequency spectrum for the L1 and L2 GPS-signals. The lower picture... | Download Scientific Diagram](https://www.researchgate.net/publication/262731273/figure/fig2/AS:370232871931906@1465281803751/Frequency-spectrum-for-the-L1-and-L2-GPS-signals-The-lower-picture-shows-the-signals.png)