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解决方案：
此方案信号采用射频信号光链路传输，适用于多点主站同频发射，采用大功率远距离传输适用于省、市、县主站建设。
Severity: Warning
Message: Declaration of Columns_Model::del($ids, $where = false) should be compatible with MY_Model::del($ids, $where = false, $table = false)
Filename: models/columns_model.php
Line Number: 7
Severity: Warning
Message: Declaration of Configs_model::create($category, $key, $value) should be compatible with MY_Model::create($data, $batch = false, $table = false)
Filename: models/configs_model.php
Line Number: 0
