Must it be RF?
Infra Red will cover this range easily provided there are not problems with
optical line of sight.
At 10 feet you can point the transmitting LED in almost any direction
indoors and still get "copy".
38 kHz receivers (or thereabouts) are available as integrated 3 lead devices
complete with lense and the transmitter is as little as an IR LED and a
resistor and possibly a transistor and another resistor.

        RM



> Folks, I need a transmitter, receiver to integrate in a product, where the
range required is minimal (not more that 10 feet). Also, the bandwidth
requirement is exremely minimal; a few bytes to be sent every few minutes.

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