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搜索结果
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922.5MHz声表滤波器是RFID电子标签、超高频射频识别设备的核心滤波器件，带外抑制高、频点精准、抗干扰强。专门用于物联网电子标签接收电路，过滤环境杂波、提升读卡灵敏度与识别稳定性。科琪科技国产源头工厂，支持试样、批量供货与射频方案适配。
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科琪科技644MHz声表滤波器适配644M频段专用无线接收设备，采用SMD贴片封装，频点精度高，带外抑制表现优秀，有效滤除外部电磁杂波干扰，提升整机接收灵
