Telemetry kit for Navio2

http://www.ebay.com/itm/3DRobotics-3DR-Radio-Telemetry-Kit-433Mhz-Module-for-APM2-6-APM-2-6-Pixhawk-PX4-/121399735673

Does this telemetry kit work with Navio2? It seems ok, but I’m not sure about pins IO17 and IO18 on Navio board. Should CTS and RTS pins be connected to IO17 and IO18?

Do not buy this kit. It is the old version. The V2 has micro USB and DF13 UART connectors on both modules, so they can both be used as ground and air device.
Just use 4 wires to connect to the Navios UART and leave the GPIOs free.

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Thanks for the advice!