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这是描述信息
Classification
Introduction to the working principle and function of the walkie-talkie
Introduction

Introduction to the working principle and function of the walkie-talkie

The electromagnetic spectrum is the sum of all frequencies of electromagnetic radiation, ranging from the longest radio waves to the shortest cosmic rays. The spectrum can be divided into several parts, which are called frequency bands.
2016-11-26 15:39
The main performance indicators and meaning of the walkie-talkie
The

The main performance indicators and meaning of the walkie-talkie

Frequency error: The difference between the unmodulated carrier frequency and the assigned frequency.
2016-11-25 10:55
Structure composed of walkie-talkie
Structure

Structure composed of walkie-talkie

Professional walkie-talkies are equipped with seat chargers, there are many low-end walkie-talkies in order to reduce costs, often do not need fire cattle, Ke Lixun interphones are equipped with fire cattle, Motorola's radio is very outrageous.
2016-11-25 10:42