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Thread: Low cost secure wireless device

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    Senior Member Android roopakjada's Avatar
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    Default Low cost secure wireless device

    Hello I'm working on wireless communication for an automation project and looking for suitable hardware with the following specifications

    Secure : encryption
    Range : 25M (indoor)
    power : preferably low power but not necessary
    durability: must! an always on device
    interface: serial/any protocol if possible a multi node(mesh) network with device id's
    size: compact preferably no external antenna

    I'm looking at the available options but also interested to see if there is any better solution need not be off the shelf product but much nearer to the specifications also willing to development around it for best results, I would be glad if someone pointed me in the right direction.

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    Administrator T-1000 vikas's Avatar
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    There are lot of devices which offer AES 128,which should be good enough. HEre are a few which come to mind -

    cc2420 ( TI ) - http://www.abacom-tech.com/%2FZigBee...ee-P93482.aspx
    MRF24j40 ( Microchiop )
    RF61 ( HopeRF )
    Vikas Patial

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    Senior Member Android roopakjada's Avatar
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    Quote Originally Posted by vikas View Post
    There are lot of devices which offer AES 128,which should be good enough. HEre are a few which come to mind -

    cc2420 ( TI ) - http://www.abacom-tech.com/%2FZigBee...ee-P93482.aspx
    MRF24j40 ( Microchip )
    RF61 ( HopeRF )
    I've looked into all the options, the datasheets are a bit confusing for the MRF24j40

    Microchip MRF24j40 looks like a good option but all the options are similarly priced. somewhat on the higher end how different are they from digi's xbee's? there also offer encryption could you please tell why do you prefer the above options

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    Senior Member Cyborg sudarshan's Avatar
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    go for wifly RN-XV
    simple, easy to use, its wifi, just 4 wire serial uart interface(3.3V), Secure, very small size.

    best part it can interface with any laptop with wifi so you dont need any external transciever
    BY
    Sudarshan Anbazhagan,
    SuperBotics MultiTech Pvt. Ltd.

    http://www.superbotics.com
    http://www.getahost.in

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