Quad-Band Combiner 1710-4000MHz

Quad-Band Combiner 1710-4000MHz

• Good VSWR at all ports
• High isolation
• ROHS Compliance

Part Number	VN-QBC-1710-4000-OP-153
Operating Frequency ( MHz )	1710-1880	2170-2300	2400-2700	3300-4000
Impedance (Ω)	50
Insertion Loss(dB)	＜0.5
VSWR	≤1.3
Isolation(dB)	>50
PIM(dBm)	≤ -153dBc (with 2 x 43dBm)
Application	Indoor & Outdoor
Degree of Protection	IP67
Operating Temperature ( ℃ )	-20 ~ + 65
Interface	4.3-10 Female
Input power (W)	200
Lightning Protection	3kA; 10/350 μs pulse
Dimension (mm)(L×W×H, excl connector)	175X155X61
Color	Grey(ML440c)
ROHS Compliance	Yes

A Quad-Band Combiner is a specialized RF (Radio Frequency) device designed to combine or distribute signals across four different frequency bands into a single transmission line or antenna system. It optimizes signal efficiency while minimizing interference, making it essential in multi-band wireless communication systems.

The Quad-Band Combiner employs passive filtering technology (e.g., cavity filters or duplexers) to isolate and merge signals from the four bands. Each input port is tuned to a specific frequency range, while the combined output maintains low insertion loss and high isolation between bands. This prevents cross-interference and ensures signal integrity.

In a cellular tower, a quad-band combiner allows a single antenna to transmit/receive GSM (900MHz), LTE (1800MHz), and 5G (3.5GHz) signals simultaneously.

What we do

Vinncom（Founded in 2006）is a leading manufacturer specializing in the microwave and RF field, integrating design, R&D, production, sales,  and service.

Established in 2006 and located in Hefei, China, the company has an R&D and manufacturing center spanning over 16,000 square meters (with an actual construction area of 35,000 square meters).

Our products include power dividers, couplers, bridges, dummy loads, low PIM termination loads, attenuators, combiners, antennas, connector adapters, cables and jumpers, circulator isolators. Based on our seasoned R&D and production system, we provide customized solutions, high-quality products, and professional technical services to meet the application needs of DAS, navigation, telecommunication systems, sensor systems, optical fibers, and more.

Adhering to the principle of "Quality First; Continuous Innovation" and the tenet of "Customer First, Win-Win Cooperation", we have established enduring and harmonious partnerships with our clients. Our products are popular worldwide and have garnered widespread recognition and trust from our customers.

We eagerly anticipate and welcome both new and existing clients to reach out to us, let's join hands to create a bright future together!

Why choose vinncom

Technological Innovation and R&D Capabilities

• Possess core technologies with independent intellectual property rights, keeping pace with or even leading the international advanced level.
• Attach great importance to R&D investment by establishing a dedicated R&D department, continuously driving product iteration and upgrades to meet the ever-changing market demands.
• Have an efficient R&D management system that integrates standardized processes, cross-departmental collaboration, rigorous quality control, efficient project management, continuous technological innovation, and talent development.

Extensive Product Line and Customization Capabilities

• Offer a diverse range of RF and microwave component products, spanning multiple specialized areas such as power dividers, couplers, bridges, dummy loads, low PIM terminations, attenuators, combiners, antennas, connector adapters, cables and jumpers, circulators and isolators, catering to the needs of diverse application scenarios.
• Possess robust customization design capabilities, enabling swift responses to clients' specific requirements and providing tailored solutions.

Production Capability and Quality Control

• Employ internationally advanced production equipment and technologies to guarantee the precision and consistency of products.
• Implement comprehensive quality control procedures to ensure the stability and reliability of product quality.
• Possess efficient production organization and scheduling capabilities, enabling swift response to market orders and achieving large-scale production.

Customer Service and After-sales Support

• Provide real-time customer service with quick responses to customer needs and inquiries.
• Offer comprehensive technical support and services to customers, covering product design, selection, installation, and maintenance.
• Have a well-established after-sales service system to ensure that any issues encountered by customers during use can be resolved promptly and effectively.