Radio Equipment Directive (RED)

See .

Quite soon this new directive will apply in Europe including the UK. Many low cost modules may cost a little more as receivers will need to be more carefully designed to meet RED requirements. It is likely that more stringent RX parameters will have to be met. I wonder if some of the very low module costs are as a result of the dumping of old stock? This could well impact super-regen receivers that are sensitive, but not very selective. Although fine in some markets this type of receiver is less than ideal in a very busy ISM band where they could easily be blocked.  Listening around 433.92MHz recently, very many ISM devices could be copied.  One of my old colleagues is involved in international committees working on RED.

The “internet of things” means very many devices will include radios in future, such as a basic internet terminal in washing machines or RFID tags.

Roger Lapthorn, G3XBM, is a regular contributor to and writes from Cambridge, England.

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