High-Performance 698-2700MHz / 3300-3800MHz Dual Band Combiner
Streamline your 5G telecom infrastructure with Hefei BRI’s advanced RF passive components. Designed to multiplex the expansive 698-2700MHz range and the specialized 3300-3800MHz 5G band, this dual band combiner empowers network operators to combine multiple base station signals into a single, highly efficient shared antenna pathway.
By eliminating the need to run parallel feeder cables for different frequency networks, you significantly cut down on capital expenditures, installation labor, and structural loading on communication towers.
Engineered for Next-Generation 5G Network Reliability
Showcasing our latest innovations to global telecom leaders and potential customers at premier industry events like MWC Barcelona 2026 has reinforced our commitment to uncompromising quality. At Hefei BRI, we understand that whether you are deploying a sprawling Outdoor distributed antenna system or a highly localized urban cell site, component failure is simply not an option.
Exceptional Band Isolation: High port-to-port isolation ensures that the sub-3GHz bands (698-2700MHz) and the high-frequency 5G bands (3300-3800MHz) operate simultaneously with zero cross-talk or interference.
Ultra-Low PIM Performance: Engineered to maintain pristine signal integrity, preventing passive intermodulation noise from degrading high-speed data transmission and network capacity.
Heavy-Duty Weatherproofing: Housed in a robust, corrosion-resistant casing, this outdoor dual band combiner is fully sealed against harsh elements, ensuring uninterrupted service in extreme climates.
Cost-Effective Infrastructure Scaling: Maximize the ROI of your existing base transceiver station by reusing infrastructure to broadcast new frequencies.
Technical Specifications
(Note: Data reflects the standard parameters for this specific ultra-wideband model. Please refer to your specific engineering sheet if exact port tolerances need adjustment.)
Electrical Specifications
| Specification | Port 1 (Low/Mid Band) | Port 2 (High/5G Band) |
| Frequency Range | 698 – 2700 MHz | 3300 – 3800 MHz |
| Insertion Loss | ≤ 0.3 dB | ≤ 0.3 dB |
| Isolation | ≥ 50 dB | ≥ 50 dB |
| VSWR | ≤ 1.25 | ≤ 1.25 |
| PIM3 (2*43dBm) | ≤ -155 dBc | ≤ -155 dBc |
| Impedance | 50 Ohm | 50 Ohm |
Environmental & Mechanical Specifications
| Specification | Value |
| Application | Indoor / Outdoor |
| Sealing Class | IP67 (Fully Weatherproof) |
| Operating Temperature | -40°C to +65°C |
| Connector Type | DIN Female / 4.3-10 Female |
Upgrade Your Base Transceiver Station Today
Sourcing directly from Hefei BRI Electronic & Technology Co., Ltd. guarantees rigorous quality control, highly competitive wholesale pricing, and rapid global delivery for your most critical deployments.
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