Figure 3 from A compact dual-band (L1/L2) GPS antenna design | Semantic Scholar
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CGGP.18.2.A.02 GPS/GALILEO/GLONASS 18*18*2mm Dual-Band Patch Antenna - Taoglas
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Advantages of dual-frequency GNSS in smartphones
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AU2-UHF Dual-Band GPS / UHF Antenna [AU2-UHF] - $49.98 : Mobile GPS Online - Geoidsoft Inc., GPS solutions - quality & effective - global service
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Amazfit brings dual-band GPS to GT 4 series smartwatches
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PDF] A Proximity-Fed Antenna for Dual-Band GPS Receiver | Semantic Scholar
TW3865 Embedded GPS L1 & L2 + GLONASS G1 & G2 Antenna - NavtechGPS
GPS Active Dual Band Antenna Operates From 1.22 GHz to 1.58 GHz With a Nominal 6 dBic Gain N Female Input Connector
