EN 301 357-1 : 1.4.1

Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
   2.1 Normative references
   2.2 Informative references
3 Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Symbols
   3.3 Abbreviations
4 Functional characteristics
   4.1 Cordless audio
   4.2 Consumer radio microphones
   4.3 In-ear monitoring
5 General
   5.1 Presentation of equipment for testing purposes
   5.2 Mechanical and electrical design
   5.3 Interpretation of the measurement results
6 Test conditions, power sources and ambient
   conditions
   6.1 Normal and extreme test-conditions
   6.2 Test power source
   6.3 Normal test conditions
   6.4 Extreme test conditions
7 General conditions
   7.1 Normal test modulation
   7.2 Test fixture
   7.3 Test site and general arrangements for radiated
        measurements
   7.4 Modes of operation of the transmitter
   7.5 Arrangement for test signals at the input of the
        transmitter
8 Methods of measurement and limits for transmitter
   parameters
   8.1 Basic requirements for Band II LPD
   8.2 Methods of measurement and limits for transmitter
        parameters of Band II LPD
   8.3 Frequency error
   8.4 Carrier power
   8.5 Channel bandwidth
   8.6 Spurious emissions and cabinet radiation
   8.7 Cordless audio transmitter shutoff
9 Receiver
   9.1 Spurious emissions and cabinet radiation
10 Measurement uncertainty
   10.1 Compliance assessment when measurement uncertainty
        is equal to or less than maximum acceptable uncertainty
   10.2 Compliance assessment when measurement uncertainty
        is greater than maximum acceptable uncertainty
   10.3 Maximum allowable measurement uncertainties for cordless
        audio and radio microphones
   10.4 Maximum allowable measurement uncertainties for
        Band II LPD
Annex A (normative): Radiated measurement
      A.1 Test sites and general arrangements for
          measurements involving the use of radiated
          fields
      A.2 Guidance on the use of radiation test sites
      A.3 Coupling of signals
      A.4 Standard test position
      A.5 Test fixture
Annex B (normative): Measurement of Necessary
        Bandwidth (BN)
Annex C (informative): Receiver parameters
      C.1 Blocking or desensitization
      C.2 Frequency mask for the receiver part
Annex D (informative): Derivation of radiated spurious
        emissions limit for Band II LPD
Annex E (informative): Justifications for field strength
        measurement
Annex F (informative): Typical test layout
      F.1 Use of vehicle power leads
Annex G (informative): Bibliography
History

Provides the minimum characteristics for cordless audio devices considered necessary in order to make the best use of the available frequencies.