燦勤科技(688182.SH):公司最新款陶瓷介質濾波器能夠廣泛適用在sub-6GHz頻段內的各應用場景
格隆匯8月7日丨燦勤科技(688182.SH)近期在接待機構投資者調研時表示,在2018年-2020年,5G移動通信基站採用Massive MIMO(大規模天線技術),導致射頻通道數增加,使得濾波器走向小型化、輕量化、低成本的道路。以介質波導濾波器代替傳統金屬腔體濾波器,成為構造5G宏基站射頻單元的主流技術方案之一。公司之前的陶瓷介質波導濾波器在這段時間得到了快速發展。
從進入5G商用第三年開始,即2021年以來,伴隨數字經濟的高速發展與用户體驗需求的持續提升,我國5G正從基於TDD頻段的規模部署,走向TDD+FDD協同部署。在Sub-6GH頻段,除了TDD 2.6GHz、3.5GHz和4.9GHz 頻段外,中國將700 MHz、900 MHz列入5G建設頻段,中國電信和中國聯通率先計劃將2G、3G 低頻段用於5G建設。5G開始進行頻譜重耕,會將一部分2G、3G、4G頻譜重新組合並升級為5G。公司最新款的陶瓷介質濾波器能夠廣泛適用在sub-6GHz頻段內的各應用場景,包括4G、5G、5.5G等FDD架構通信網絡,進一步拓寬了公司在基站用濾波器的市場份額。
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