产品介绍
作为一名优秀的驴友，翻山越岭如履平地，日晒雨淋无所畏惧，他的GPS自然也不能柔弱，小磕小碰的不能有脾气，弄脏了或掉水里捞起来，也要能持续工作。所以防水/防震/防尘等指标成为GPS首要考虑因素，这些防护能力是车载GPS大多不具备的，而一些专业级GPS，还会有更多利于恶劣环境的设计，譬如有些产品还设计成为落水之后可漂浮的。户外需要皮实的东西。
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NAVA200
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NAVA300
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NAVA400
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NAVA600
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56*119*32MM
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2.2QVGA,240*320pixels,Transflective TFT,65536 colors
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108g(without battery)
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2*AA
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2*AA or Special li-ion Battery
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15 hours
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2*AA(15 hours),Special li-ion Battery(25hours)
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20Channels,L1,CA code,High Sensitive GPS Module
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Cold Start:<35s,Hot Start:<1S
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3-7m(GPS only),1-3m(sbas)
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WASS,EGNOS,MSAS
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1/second,continuous
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USB2.0andNMEA 0183 compatible
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IPX7
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NAVA200
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NAVA300
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NAVA400
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NAVA600
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no
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yes
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yes
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yes
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128M
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no
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no
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yes
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yes
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3000
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60
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50 tracks,5000 points
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no
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no
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no
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yes
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no
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no
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no
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yes
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no
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no
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no
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yes
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yes
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yes
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yes
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yes
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WGS84,UTM,User Grid..
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