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| I should have stated that the dual frequency antenna comes with the 1st upgrade. If you have the WAAS version you need to 1st upgrade to the OmniStar version (unlock code and antenna); the antenna comes with this upgrade. The next step is to upgrade to RTK (unlock code only). If you have the OmniStar version, you already have the correct antenna and only need to do the 2nd upgrade. | |
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252 rtk for 500?
