TELECOMMUNICATIONS. AUDIO AND VIDEO ENGINEERING

33.020

Telecommunications in general

9,727 standards

33.030

Telecommunication services. Applications

723 standards

33.040

Telecommunication systems

8,012 standards

33.040.01

Telecommunication systems in general

1,143 standards

33.040.20

Transmission systems

1,403 standards

33.040.30

Switching and signalling systems

642 standards

33.040.35

Telephone networks

1,149 standards

33.040.40

Data communication networks

2,082 standards

33.040.50

Lines, connections and circuits

644 standards

33.040.99

Other equipment for telecommunication systems

138 standards

33.050

Telecommunication terminal equipment

1,198 standards

33.050.01

Telecommunication terminal equipment in general

565 standards

33.050.10

Telephone equipment

300 standards

33.050.20

Paging equipment

29 standards

33.050.30

Equipment for telex, teletext, telefax

134 standards

33.050.99

Other telecommunication terminal equipment

91 standards

33.060

Radiocommunications

10,281 standards

33.060.01

Radiocommunications in general

648 standards

33.060.20

Receiving and transmitting equipment

2,867 standards

33.060.30

Radio relay and fixed satellite communications systems

1,987 standards