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WEP codes are sometimes "device dependent", especially when using ASCII passwords on devices from differing manufacturers. They use different algorithyms to code an ASCII password into HEX.
When using WEP Devices, it is best to not use passwords. Instead find one of your devices that will show you the HEX of your password, then use this HEX in all other devices.
Or you can just go
HERE and create a HEX number to enter into all devices.
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