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G21B301111 Datasheet, PDF (8/22 Pages) List of Unclassifed Manufacturers – G21 GSM Hercules Gen.II Penta Band Cellular Antenna Screw-mount GSM/GPRS/CDMA/EVDO/UMTS/HSPA/WCDMA 850/900/1800/1900/2100 MHz
Figure 7. Efficiency of G21 Hercules antenna on 60 cm metal plate.
SPE-12-8-047/D/EZ Page 8 of 22