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Are there any specifications using walkie -talkie?

In the amateur section, there are very strict norms, and they will be specially trained when testing. At 409m exemption, there are the following provisions: 1.Do not change the transmitting frequency and increase the transmitting power (including additional radio frequency power amplifier) without ......

Please refer to the instructions to distinguish which state of the equipment is in according to the flickering of the indicator light and the length, and then analyze it and use it correctly.

Please refer to the instructions to distinguish which state of the equipment is in according to the flickering of the indicator light and the length, and then analyze it and use it correctly.

Writing frequency software LS-A800, LS-A89, LS-V88 and other models can directly enter non-standard subconsistent non-standard settings.

Use the corresponding model to write frequency. If you bring a display, you can try to enter the programming mode manually. Non -professional personnel recommend not to adjust the functional parameters.

In order to avoid problems caused by electromagnetic interference and/or electromagnetic compatibility, the intercom is closed on the occasion of the "shutdown of the intercom" logo. For example, hospitals or other occasions using health care equipment. When flying, the battery should also be remove......