扩维微波提供频率范围为DC～28GHz的低通滤波器，阻带抑制高，广泛地应用于多个领域。
特点：
- 高阻带抑制
- 尺寸小
应用：
- 通信
- 实验室测试
- 接收机
- 仪器
| 型号 | 通带（GHz） | 插损（dB，最大值） | 驻波（最大值） | 阻带衰减（dB） | 连接器 |
|---|---|---|---|---|---|
| QLF-2-15-40 | 0.002~0.015 | 2.5 | 1.5 | 40@17~200MHz | SMA |
| QLF-45-20 | DC~0.045 | 1 | 1.7 | 20@0.07~0.09GHz | SMA |
| QLF-55-35 | DC~0.055 | 0.8 | 1.5 | 35@0.07~0.2GHz | SMA |
| QLF-200-2400-60 | 0.2~2.4 | 5 | 1.5 | 60@3.6GHz | SMA |
| QLF-300-60 | DC~0.3 | 0.5 | 1.5 | 60@0.643~3GHz | SMA |
| QLF-330-60 | DC~0.33 | 0.5 | 1.3 | 60@0.643~3GHz | SMA |
| QLF-480-30 | DC~0.48 | 3 | 1.5 | 30@0.53~3GHz | SMA |
| QLF-1000-40 | DC~1 | 0.77 | 1.3 | 40@1.9~5GHz | SMA |
| QLF-1400-50 | DC~1.4 | 2 | 1.6 | 50(@2GHz max.) | SMA |
| QLF-2186-30 | 1.5~2.186 | 2 | 1.6 | 30@2.37~3GHz | SMA |
| QLF-2250-40 | DC~2.25 | 0.82 | 1.2 | 40@3~5GHz | SMA |
| QLF-2500-65 | DC~2.5 | 3 | 2 | 65@3-13GHz | N |
| QLF-2700-90 | DC~2.7 | 2 | 2 | 90@4.5-8.4GHz | SMA |
| QLF-3000-40 | DC~3 | 0.72 | 1.2 | 40@4.78~7.5GHz | SMA |
| QLF-4000-50 | DC~4 | 0.8 | 1.5 | 50@8GHz | SMA |
| QLF-4000-60 | DC~4 | 1.5 | 1.3 | 60@4.5~12.3GHz | SMA |
| QLF-4400-40 | DC~4.4 | 0.73 | 1.2 | 40@6.28~9.8GHz | SMA |
| QLF-4800-35 | DC~4.8 | 1.5 | 2 | 35@6GHz | SMA |
| QLF-5000-40 | DC~5 | 0.68 | 1.2 | 40@7.05-10GHz | SMA |
| QLF-6000-20 | 0.5~6 | 2 | 1.8 | 20@6.5GHz | SMA |
| QLF-6000-60 | DC~6 | 1.5 | 1.3 | 60@6.7~15.5GHz | SMA |
| QLF-6500-60 | DC~6.5 | 1.5 | 1.3 | 60@7.27~15.3GHz | SMA |
| QLF-7000-50 | DC~7 | 1.5 | 1.3 | 50@7.77~15.5GHz | SMA |
| QLF-8000-40 | DC~8 | 2 | 2 | 40@9~25GHz | SMA |
| QLF-8000-50 | DC~8 | 1.5 | 1.4 | 50@8.8~16.2GHz | SMA |
| QLF-9000-50 | DC~9 | 1.5 | 1.4 | 50@9.8~17GHz | SMA |
| QLF-9000-60 | DC~9 | 1 | 1.6 | 60@14~17GHz | SMA |
| QLF-10000-40 | DC~10 | 2 | 2 | 40@13-18GHz | SMA |
| QLF-10000-50 | DC~10 | 1.5 | 1.4 | 50@10.9~18.5GHz | SMA |
| QLF-11000-35 | DC~11 | 2 | 2 | 35@12GHz | 2.92mm |
| QLF-11000-50 | DC~11 | 1.5 | 1.5 | 50@12.1~19GHz | SMA |
| QLF-11500-45 | DC~11.5 | 2 | 2 | 45@12.8-13.3GHz | 2.92mm |
| QLF-11500-40 | DC~11.5 | 2 | 1.5 | 40@12.3-13.3GHz | 2.92mm |
| QLF-12000-40 | DC~12 | 2 | 2 | 40@13.5-25GHz | SMA |
| QLF-13000-40 | DC~13 | 1.5 | 2 | 40@15-25GHz | 2.92mm |
| QLF-13000-50 | DC~13 | 2 | 1.5 | 50@14.1~21GHz | SMA |
| QLF-15000-40 | DC~15 | 2 | 2 | 40@18-23GHz | 2.92mm |
| QLF-15000-50 | DC~15 | 2.5 | 1.5 | 50@16~22.3GHz | SMA |
| QLF-16000-40 | DC~16 | 2 | 2 | 40@18-25GHz | SMA |
| QLF-18000-40 | DC~18 | 2 | 2 | 40@20-38GHz | 2.92mm |
| QLF-18000-50 | DC~18 | 3 | 1.6 | 50@19.1-26GHz | SMA |
| QLF-20000-60 | DC~20 | 1 | 2 | 60@23~40GHz | 2.92mm |
| QLF-25000-40 | DC~25 | 2 | 2 | 40@28-30GHz | 2.92mm |
| QLF-28000-30 | DC~28 | 2 | 2 | 30@30-38GHz | 2.4mm |