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  What procedures are required to purchase a walkie-talkie?

  Jul. 29, 2019

  The use of wireless walkie-talkies requires the use of frequency resources, so the application must be submitted to the local radio management committee, and the purchase and use can only be approved by the commission. The specific procedures to be gone through are as follows:

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  Key performance indicators of walkie-talkies

  Jul. 22, 2019

  A) frequency error: difference between unmodulated carrier frequency and assigned frequency;

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  Common troubleshooting methods for walkie-talkies

  Jul. 15, 2019

  Three. PTT(launching key) : the launching key is the most frequently used part in daily use. In some machines sent for repair, it is found that some of the machines are aging or damaged, affecting the normal use. Some affect the circuit board of the key, the button contact is bad, the key failure and other faults...

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  Common fault diagnosis of walkie-talkies

  Jul. 15, 2019

  In recent years, the utilization rate of walkie-talkies in various industries in China is increasing. Professional users such as public security, armed police and forest, construction sites, property, security guards and civilian amateurs are being used in an increasingly wide range.

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  What are the rules for talking on a walkie-talkie?

  Jul. 09, 2019

  In the amateur section, there are very strict standards of communication, in the examination of the license will be specialized training. The following provisions apply to the exemption of 409M:

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