Low PIM 300W Hybrid Coupler 698-3800MHz 3dB 4 in 4 out with 4.3-10 Female Connector
ZD-HC-738-300-4/4-4MF
The ZD-HC-738-300-4:4MF(NF/DF) is a robust 4x4 hybrid combiner designed for demanding wireless infrastructure applications across the 698-3800MHz spectrum. This high-performance combiner efficiently consolidates multiple RF signals while maintaining exceptional signal integrity, making it ideal for cellular base stations, public safety systems, and distributed antenna networks. Engineered for reliability in harsh environments, the unit features a compact aluminum housing with IP65 protection, ensuring operation in temperatures from -25°C to +70°C and humidity up to 95%. Its versatile connector options (4.3-10/N/7-16 female) provide flexible integration with various transmission systems. The combiner's advanced design delivers superior intermodulation suppression and low VSWR across the entire frequency range. With a substantial 300-500W power handling capacity, this hybrid combiner supports high-power multi-carrier applications without performance degradation. The black anodized finish offers both durability and professional aesthetics for equipment room installations. Measuring just 194x138x49mm and weighing 2.3kg, it provides an excellent power-to-size ratio for space-constrained deployments. This solution is particularly valuable for operators needing to aggregate multiple transmitters while maintaining signal purity in congested RF environments. Its wide frequency coverage supports legacy 2G/3G systems through modern 4G/LTE and emerging 5G applications, making it a future-proof investment for evolving network architectures.
Delivery
EXW,FOB,CIF
minimum order
1 piece
Country of Origin
CHINA
Quantity:
The 4x4 hybrid coupler is a critical RF component designed for advanced signal combining and distribution across a wide frequency range of 698-3800MHz. As a versatile RF coupler, this device excels in applications requiring high-power handling, excellent isolation, and minimal signal loss, making it ideal for cellular base stations, public safety networks, and distributed antenna systems (DAS). Unlike conventional 3dB hybrid coupler designs that typically handle two ports, this 4x4 coupler extends functionality to four input and four output ports, providing superior flexibility for complex RF architectures.
Engineered for robust performance, this hybrid coupler features low insertion loss (6±1.2dB) and high isolation (≥25dB), ensuring efficient signal combining without compromising quality. The unit operates seamlessly across the entire 698-3800MHz spectrum, supporting legacy 2G/3G networks, modern 4G/LTE, and emerging 5G applications. Its RF coupler design incorporates premium materials and precision manufacturing to achieve a voltage standing wave ratio (VSWR) of
The 4x4 hybrid coupler stands out for its exceptional power handling capability, supporting up to 300W (500W peak) per port. This makes it suitable for high-power transmitters and multi-carrier systems where signal purity is paramount. The hybrid coupler’s advanced design also minimizes intermodulation distortion (≤-155dBc with two 43dBm signals), a critical feature for reducing interference in dense RF deployments. With its compact dimensions (194x138x49mm) and lightweight construction (2300g), this RF coupler offers an optimal balance between performance and space efficiency, ideal for both indoor and outdoor installations.
Durability is a hallmark of this 4x4 coupler, which is built to withstand harsh operating conditions. The unit features an IP65-rated enclosure, protecting against dust and moisture, and operates reliably across a temperature range of -25°C to +70°C. Its 698-3800MHz coverage ensures compatibility with global frequency allocations, while multiple connector options (4.3-10 female, N female, and 7-16 female) provide seamless integration with diverse RF systems. Whether used in macro-cell sites, small cell deployments, or specialized communication networks, this hybrid coupler delivers unmatched versatility and performance.
In summary, the 4x4 hybrid coupler represents a sophisticated solution for modern wireless infrastructure. Its ability to combine multiple signals across the 698-3800MHz range—coupled with high power handling, low distortion, and rugged construction—makes it indispensable for operators seeking to optimize their RF networks. As a 3dB hybrid coupler alternative for more complex setups, this RF coupler bridges the gap between traditional combining techniques and next-generation wireless demands, ensuring scalable and efficient signal management for years to come.
Electrical Specifications | |
Model NO. | ZD-HC-738-300-4:4MF(NF/DF) |
Name | 4x4 Hybrid combiner |
Frequency Range | 698-3800MHz 698-4000MHz |
Insertion Loss(dB) | 6±1.2 dB |
Isolation(dB) | ≥ 25 dB |
Return Loss(dB) | ≥ 18 dB |
VSWR(dB) | |
Intermodulationg Products | ≤ -155 dBc (with 2 x 43dBm) |
Maximum Input (W) | 300W/ 500 W |
Operation temperature(℃) | -25℃ to +70℃ |
Relative humidity(℃) | 0 ~ 95 % |
Impedance(Ω) | 50 Ω |
Size(mm) | 194 x 138 x 49 mm |
Weight(g) | 2300g |
Connector Type | 4.3-10 Female/N Female/7-16 Female |
Ingress protection | IP65 |
Color | Black |
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