User's Manual

6
Copyright © Murata Manufacturing Co., Ltd. All rights reserved.
12 July 2019
CONFIDENTIAL
Notice
Please check the following points when changing antenna.
The concrete contents of a check are the following three points.
1)It is the same type as the antenna type of antenna specifications.
2)An antenna gain is lower than a gain given in antenna specifications.
3)The emission level is not getting worse. If they do not correspond, it is necessary to
apply Class 2 change application accompanied by test.
Fine tuning of return loss etc. can be performed using a matching network. However, it is
required to check “Class1 change” and “Class2 change” which the authorities define
then.