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Posts: 35
| Other than the external vs internal antenna, what is the difference between the 917c and the 858c? | |
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Posts: 90
| The biggest thing is that the 858c is new this year so it will have a faster processor, newer technology in it and will be compatible with future software updates for a longer period of time. The 858 will also have a little brighter screen, quadbeam sonar and ethernet hookups being a few of the other noticable differences. | |
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Humminbird 917c VS 858c