In message <000b01ce2609$28d0d960$7a728c20$@no>, dated Thu, 21 Mar 2013, Amund Westin <[email protected]> writes:

Radio tests on one combination of A+B is approximate $10.000. So doing a reasonable number of combinations will be very costly. And we can run into problems that is caused by Item B's, which are made from other manufacturers ...

You have quoted several old messages unnecessarily, but you seem to have missed the most important one. Anthony Thomson wrote:

QUOTE
However… I guess it's entirely possible that any meaningful assessment against the R&TTED may not be possible on the separate components assuming both are required to implement the ‘radio’. In this case, the Commission's 2009 guide offers some very helpful advice: “Where a radio system is integrated on site — as in the case of microwave point-to-point and point-to-multipoint systems — the system integrators responsible for ensuring compliance of the system with the Directive when the system is brought into service.”

So my opinion would be that each component of the system falls under the R&TTED and it is the system integrator's responsibility for compliance.
ENDQUOTE

This means that manufacturer A need only ensure that product A meets the relevant requirements. Responsibility for making sure that combinations of A with B1, B2, B3... rests with the 'system integrators' who put the products to work together.
--
OOO - Own Opinions Only. See www.jmwa.demon.co.uk
SHOCK HORROR! Dinosaur-like DNA found in chicken and turkey meals
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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