GB/T 13721-1992
Methods of measurements of audio-frequency band and simulated systems for selective calling equipment used in the mobile services (English Version)

Standard No.

GB/T 13721-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Withdraw

Latest

GB/T 13721-1992

Replace

SJ/Z 9095.6-1987 SJ/Z 9095.7-1987

Scope

This standard specifies the definition, measurement conditions and measurement methods of the audio segment and analog system performance indicators of selective call equipment. This standard is applicable to mobile communication selective calling equipment of frequency coding system, pulse coding system and combination coding system of pulse and frequency.

GB/T 13721-1992 history

• 1992 GB/T 13721-1992 Methods of measurements of audio-frequency band and simulated systems for selective calling equipment used in the mobile services

GB/T 13721-1992 Methods of measurements of audio-frequency band and simulated systems for selective calling equipment used in the mobile services has been changed from SJ/Z 9095.6-1987 Methods of measurement for radio equipment used in mobile services--Part 6: Selective calling equipment--Audio frequencies commonly used in tone-signalling systems.

GB/T 13721-1992 Methods of measurements of audio-frequency band and simulated systems for selective calling equipment used in the mobile services has been changed from SJ/Z 9095.7-1987 Methods of measurement for radio equipment used in mobile services--Part 7: Selective calling equipment--Audio frequency band measurements overall simulated systems.