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EN 300 220-2 V2.4.1

28 February 2014

EN 300 220-2 V2.4.1 is now the oldest version of the standard which can be used to provide a presumption of conformity with the essential requirements of article 3.2 of the R&TTE Directive.

EN 300 220-2 V2.4.1 is the Harmonised Standard for Short Range Devices (SRD) radio equipment to be used in the 25MHz to 1GHz frequency range with power levels of up to 500mW.  EN 300 220-2 V2.4.1 refers to EN 300 220-1 V2.4.1 which specifies three categories of receiver:

Category 1Highly reliable SRD communication media; e.g. serving human life inherent systems (may result in a physical risk to a person).
Category 2Medium reliable SRD communication media e.g. causing Inconvenience to persons, which cannot simply be overcome by other means.
Category 3Standard reliable SRD communication media e.g. Inconvenience to persons, which can simply be overcome by other means (e.g. manual).

Only Category 1 receivers are subject to a receiver Adjacent channel selectivity test requirement.  Category 1 receivers are also subject to more stringent receiver blocking requirements than Category 2 and Category 3 receivers.

Following the UK 4G spectrum auction, 4G mobile broadband services operate in the 791MHz to 862MHz band with high-power LTE base-station systems operating in the top part of this band between 832MHz to 862MHz.  This band is very close to the 863MHz to 870MHz band that is commonly used by SRDs in the UK.  Category 1 receivers are more likely to operate normally in the presence of local 4G signals than Category 2 and Category 3 receivers.

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