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| The WAAS version EZG500 is $2,995. The OmniSTAR version is $5,995. If you purchase the WAAS version it can be upgraded for the $3,000 price difference at a later date. When you purchase the upgrade you get a dual frequency antenna and unlock code. The OmniSTAR receiver is built into all models and only needs to be unlocked. The WAAS version has a single frequency antenna which is why the upgrade includes another antenna (dual frequency). | |
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