陆地移动语音对讲设备检测

ITU-R M.1309-1997 陆地移动业务中的数字编码语音

Many new digital systems have been developed which are rapidly overtaking analogue systems for land mobile and cordless telephone voice

Digitally Coded Speech in the Land Mobile Service

ETSI PRETS 300 279-1995 线电设备和系统(RES).专用陆地移动线电及附属设备(语音和/或非语音)的电磁兼容性(EMC)标准

Radio Equipment and Systems (RES); Electromagnetic Compatibility (EMC) Standard for Private Land Mobile Radio (PMR) and Ancillary Equipment (Speech and/or Non-Speech)

ETSI ETS 300 279-1996 线电设备与系统(RES).专用陆地移动线电(PMR)和附属设备(语音和/或非语音)的电磁兼容性(EMC)标准

Radio Equipment and Systems (RES); ElectroMagnetic Compatibility (EMC) Standard for Private Land Mobile Radio (PMR) and Ancillary Equipment (Speech and/or Non-Speech)

ETSI ETS 300 279 AMD 1-1997 线电设备与系统(RES).专用陆地移动线电(PMR)和附属设备(语音和/或非语音)的电磁兼容性(EMC)标准

Radio Equipment and Systems (RES); ElectroMagnetic Compatibility (EMC) Standard for Private Land Mobile Radio (PMR) and Ancillary Equipment (Speech and/or Non-Speech)

ETSI ETS 300 279 PRA1-1996 线电设备与系统(RES).专用陆地移动线电(PMR)和附属设备(语音和/或非语音)的电磁兼容性(EMC)标准

Radio Equipment and Systems (RES); ElectroMagnetic Compatibility (EMC) Standard for Private Land Mobile Radio (PMR) and Ancillary Equipment (Speech and/or Non-Speech)

TB 1427-1983 铁路站场扩音转接设备和室外扩音对讲用户设备制式系列

ITU-R M.1797 SPANISH-2007 陆地移动业务术语词汇表

This Recommendation provides a vocabulary of terms and definitions for the land mobile service which may also be applicable to other

Vocabulary of terms for the land mobile service

ITU-R M.1797 FRENCH-2007 陆地移动业务术语词汇表

This Recommendation provides a vocabulary of terms and definitions for the land mobile service which may also be applicable to other

Vocabulary of terms for the land mobile service

SANS 2362-1997 陆地车辆移动线电设备的安装

Provides guidance for the installation in vehicles of land mobile radio, mobile telephones, "in-car" mounting kits for transportable and handheld

Installation of mobile radio equipment in land based vehicles

ITU-R REPORT M.1021-1986 陆地移动服务数字传播设备的特征

This report describes major characteristics of land mobile digital modulation equipment:BER proformance,adjacent signals selectivities,and aceptible

EQUIPMENT CHARACTERISTICS FOR DIGITAL TRANSMISSION IN THE LAND MOBILE SERVICES

ITU-R INFORME M.1021 SPANISH-1986 陆地移动业务中数字传输的设备特性

EQUIPMENT CHARACTERISTICS FOR DIGITAL TRANSMISSION IN THE LAND MOBILE SERVICES

ITU-R RAPPORT M.1021 FRENCH-1986 陆地移动业务中数字传输的设备特性

EQUIPMENT CHARACTERISTICS FOR DIGITAL TRANSMISSION IN THE LAND MOBILE SERVICES

JJF 1797-2020 对讲系统全程语音特性测量仪校准规范

Calibration Specification for Measuring Instruments for Overall Speech Characteristics of Intercom Systems

AS/NZS 4295-2004 使用29.7 MHz到1 GHz频率范围内的陆地移动和固定服务频段的模拟语音（角度调制）设备

Analogue speech (angle modulated) equipment operating in land mobile and fixed services bands in the frequency range 29.7 MHz to 1 GHz

DB13/T 2252-2015 警用对讲机智能充电设备

ITU-R M.1309-1997 陆地移动业务中的数字编码语音

Many new digital systems have been developed which are rapidly overtaking analogue systems for land mobile and cordless telephone voice

Digitally Coded Speech in the Land Mobile Service

ETSI PRETS 300 279-1995 线电设备和系统(RES).专用陆地移动线电及附属设备(语音和/或非语音)的电磁兼容性(EMC)标准

Radio Equipment and Systems (RES); Electromagnetic Compatibility (EMC) Standard for Private Land Mobile Radio (PMR) and Ancillary Equipment (Speech and/or Non-Speech)

ETSI ETS 300 279-1996 线电设备与系统(RES).专用陆地移动线电(PMR)和附属设备(语音和/或非语音)的电磁兼容性(EMC)标准

Radio Equipment and Systems (RES); ElectroMagnetic Compatibility (EMC) Standard for Private Land Mobile Radio (PMR) and Ancillary Equipment (Speech and/or Non-Speech)

ETSI ETS 300 279 AMD 1-1997 线电设备与系统(RES).专用陆地移动线电(PMR)和附属设备(语音和/或非语音)的电磁兼容性(EMC)标准

Radio Equipment and Systems (RES); ElectroMagnetic Compatibility (EMC) Standard for Private Land Mobile Radio (PMR) and Ancillary Equipment (Speech and/or Non-Speech)

ETSI ETS 300 279 PRA1-1996 线电设备与系统(RES).专用陆地移动线电(PMR)和附属设备(语音和/或非语音)的电磁兼容性(EMC)标准

Radio Equipment and Systems (RES); ElectroMagnetic Compatibility (EMC) Standard for Private Land Mobile Radio (PMR) and Ancillary Equipment (Speech and/or Non-Speech)

TB 1427-1983 铁路站场扩音转接设备和室外扩音对讲用户设备制式系列

ITU-R M.1797 SPANISH-2007 陆地移动业务术语词汇表

This Recommendation provides a vocabulary of terms and definitions for the land mobile service which may also be applicable to other

Vocabulary of terms for the land mobile service

ITU-R M.1797 FRENCH-2007 陆地移动业务术语词汇表

This Recommendation provides a vocabulary of terms and definitions for the land mobile service which may also be applicable to other

Vocabulary of terms for the land mobile service

SANS 2362-1997 陆地车辆移动线电设备的安装

Provides guidance for the installation in vehicles of land mobile radio, mobile telephones, "in-car" mounting kits for transportable and handheld

Installation of mobile radio equipment in land based vehicles

ITU-R REPORT M.1021-1986 陆地移动服务数字传播设备的特征

This report describes major characteristics of land mobile digital modulation equipment:BER proformance,adjacent signals selectivities,and aceptible

EQUIPMENT CHARACTERISTICS FOR DIGITAL TRANSMISSION IN THE LAND MOBILE SERVICES

ITU-R INFORME M.1021 SPANISH-1986 陆地移动业务中数字传输的设备特性

EQUIPMENT CHARACTERISTICS FOR DIGITAL TRANSMISSION IN THE LAND MOBILE SERVICES

ITU-R RAPPORT M.1021 FRENCH-1986 陆地移动业务中数字传输的设备特性

EQUIPMENT CHARACTERISTICS FOR DIGITAL TRANSMISSION IN THE LAND MOBILE SERVICES

JJF 1797-2020 对讲系统全程语音特性测量仪校准规范

Calibration Specification for Measuring Instruments for Overall Speech Characteristics of Intercom Systems

AS/NZS 4295-2004 使用29.7 MHz到1 GHz频率范围内的陆地移动和固定服务频段的模拟语音（角度调制）设备

Analogue speech (angle modulated) equipment operating in land mobile and fixed services bands in the frequency range 29.7 MHz to 1 GHz

DB13/T 2252-2015 警用对讲机智能充电设备