Main Product Introduction
This 6-way multi-channel cavity filter is engineered to manage multiple RF streams within a compact footprint. Each of the six independent paths is precision-tuned to the 780.5-2655MHz band, delivering steep out-of-band rejection and minimal insertion loss. By utilizing a high-Q cavity architecture, it ensures maximum isolation between channels, preventing cross-talk and interference in high-density environments. This filter is specifically optimized for In-Building Solutions (IBS) and neutral-host Distributed Antenna Systems (DAS), where multiple carriers or technologies must be filtered simultaneously before distribution. The ruggedized mechanical design ensures stable electrical performance and thermal management under continuous high-capacity operation.
Electrical Specifications
| Parameters | Specifications | |||||
|---|---|---|---|---|---|---|
| Frequency Channels | 780.5 MHz | 881.5 MHz | 951.5 MHz | 1842.5 MHz | 2140 MHz | 2655 MHz |
| Power Handling | ≤ 100 W (High Power Support) | |||||
| Pass Band Insertion Loss | ≤ 1.0 dB / ≤ 2.0 dB | |||||
| Return Loss | ≥ 18 dB | |||||
| Rejection (Attenuation) | ≥ 50 dB | |||||
| Impedance | 50 Ω | |||||
| Connectors (Package) | N Female | |||||
| Weight | 6 kg | |||||
| IP Grade | IP67 (Waterproof & Dustproof) | |||||
FAQ
- What are the primary application scenarios for a 6-In 6-Out cavity filter?
- This filter is essential for multi-operator DAS and co-location sites. It allows six separate signal sources (such as different 4G/5G frequency blocks or different carriers) to be filtered simultaneously. It is typically used to clean up signals before they enter a combiner or to isolate sensitive receivers from high-power transmitter interference in a shared antenna system.
- How does the “6-In 6-Out” configuration benefit system integration?
- Instead of installing six individual filters, which takes up significant rack space and complicates cabling, the 6-In 6-Out integrated design provides a centralized solution. This simplifies cable management, reduces the overall equipment footprint, and ensures consistent performance across all six channels.
- Why is a cavity-based design used for the 780.5-2655MHz range?
- Cavity filters are used in this wide frequency range because they offer much higher selectivity and lower insertion loss than ceramic or microstrip filters. This is critical for 700MHz to 2.6GHz applications where frequency bands are often tightly packed and require sharp “skirt” transitions to prevent interference.
- Does this filter support independent tuning for each path?
- While the unit is built to cover the 780.5-2655MHz range, each of the six paths is typically factory-tuned to maintain uniform performance. The cavity structure provides the high “Quality Factor” (Q) necessary to keep signal integrity high across all six parallel links.
- How does this filter handle thermal stability in high-traffic networks?
- The filter is constructed from high-grade aluminum with silver-plated internal components. This construction not only improves conductivity but also assists in thermal dissipation, ensuring that the frequency response does not drift even during periods of peak cellular traffic and high power loads.
