TELEVES 403301 MICROCAVITY LTE filter features breakthrough technology using microcavities and High Q resonant elements. The ultimate solution for any system where DTT and LTE signals coexist as it has:
- Very high rejection to LTE signals, potentially disturbing DTT.
- Very low degradation of the DTT band.
- High stability to temperature changes and vibration.
- For indoor or outdoor use (using weatherproof case ref. 4163).
Normally these types of filters are bulky and heavy, hence the reason why they were never used in MATV solutions, restricting their use to broadcasting solutions or very high end MATV headends. Televes has achieved it with its microcavities filter (patented system) and is implementing the technology in a small chassis (10 cm x 5 cm) and with a weight of less than 250 grams, which makes it suitable for internal or external use. In order to achieve this, Televes uses what is called micro-cavities, in which the resonant elements of high quality factor (Q) are allocated. The microcavities filter achieves outstanding performance with temperature variation and its robust construction makes it very resistant to vibration, the ideal component for the rejection of the LTE interference, whilst preserving the reception of DTT. They could be used either as a preventive measure or a mitigation solution.
Technical features:
- Pass band MHz: 5 - 790
- Through loss dB: 0.5 typ.
- Through loss at the edge of the frequency range: db 2
- Attenuation 793-821 MHz dB: >30
- Attenuation 832-862 MHz dB: >15
- In/Out n: 1 / 1
- Current pass Vdc: --
- Dimensions (LxWxH) mm: 100 x 70 x 30
- Protection level: IP20
- Operating temperatures C: -5...+45
- 2-year warranty
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