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How to distinguish low frequency area, intermediate frequency area and high frequency area

How to distinguish low frequency area, intermediate frequency area and high frequency area, Total:5 items.

In the international standard classification, How to distinguish low frequency area, intermediate frequency area and high frequency area involves: .

International Telecommunication Union (ITU), How to distinguish low frequency area, intermediate frequency area and high frequency area

• ITU-R BS.598-1-1990 Factors Influencing the Limits of Amplitude-Modulation Sound-Broadcasting Coverage in Band 6 (MF) - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
• ITU-R BS.598-1 FRENCH-1990 Factors Influencing the Limits of Amplitude-Modulation Sound-Broadcasting Coverage in Band 6 (MF) - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
• ITU-R BS.598-1 SPANISH-1990 FACTORS INFLUENCING THE LIMITS OF AMPLITUDE-MODULATION SOUND-BROADCASTING COVERAGE IN BAND 6 (MF)

CENELEC - European Committee for Electrotechnical Standardization, How to distinguish low frequency area, intermediate frequency area and high frequency area

• EN 50288-6-2:2003 Multi-element metallic cables used in analogue and digital communication and control Part 6-2: Sectional specification for unscreened cables characterised up to 250 MHz Work area and patch cord cables
• EN 50288-3-2:2003 Multi-element metallic cables used in analogue and digital communication and control Part 3-2: Sectional specification for unscreened cables characterised up to 100 MHz - Work area and patch cord cables

Others:   How to distinguish low frequency area, intermediate frequency area and high frequency area.