Telemetry Kit.... man I must be doing something wrong or...
I have the APM 2.5 board in a quad, and can communicate via USB.
Mission Planner works properly
I bought the 433 mHz kit under advice, and both boards appear identical.
http://store.diydrones.com/3DR_RadioTelemetry_Kit_433Mhz_p/kt-telemetry-3dr433.ht
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