Low VSWR, high isolation
Low PIM, low insertion loss
Compact design for easy installation
DFT-08-257-64F-01, a double-unit cavity filter designed for dependable RF signal management, delivering low VSWR, high isolation, low insertion loss, and low PIM to maintain stable transmission performance within macro base stations and cellular communication systems. A compact, efficiently arranged structure supports easy installation and optimized use of site space.
|
Frequency |
B8 | B28 | ||
| UL: 880.3-915MHz | DL: 925.3-960MHz | UL: 703-748MHz | DL: 758-803MHz | |
| Return Loss | ≤-18dB | ≤-18dB | ≤-18dB | ≤-18dB |
| Insertion Loss | ≤2.2dB | ≤0.3dB | ≤0.3dB | ≤0.3dB |
| Rejection | 45 dB typical / 40dB Min.@869-879.2 MHz | |||
| Inter-module Isolation | 80dB minimum | |||
| Power Handling | 300W(average) / 3000W(peak)@DL band | 250W(average) / 2500W(peak)@DL band | ||
| DC Bypass | DC bypass all ports | |||
| Intermodulation | ≤-155dBc@2x43dBm | |||
| Impedance | 50Ω | |||
| Operating Temperature Range | 0°C to +60°C |
| Storage Temperature Range | -40°C to +85°C |
| Relative Humidity | 5%- 95% |
| Lightning Protection | 5kA,8/20us |
| Applications | IP67 |
| MTBF(Telcordia SR-332@25°C ambient) | 1000000 hours/failure min. |
| Lifetime | 10 years min. |
| Dimension | 365x181x146 (mm, excluding brackets and connectors) |
| Weight | ≤10 kg |
| Connectors Type | 4.3-10 Female |
| Mounting | Wall or pole |
| Packing | 1Pcs in box |


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