Shenzhen Jindasignal Technology Launches Full-Band Penta-Band Combiner, Empowering 5G-A Network Construction with Multi-Network Convergence Capability

Shenzhen Jindasignal Technology Co., Ltd., a company focusing on innovation in the field of RF passive components, officially launched its new-generation Penta-band combiner today. This product achieves full coverage of five core frequency bands: 380-960MHz, 1710-1880MHz, 1920-2170MHz, 2300-2690MHz, and 3300-3800MHz. It perfectly adapts to the multi-network collaboration needs from 2G to 5G-A. With its core advantages of low insertion loss and high isolation, it provides efficient signal solutions for operator base station construction, indoor distribution systems, and private network communication upgrades, helping reduce network deployment costs and operation and maintenance pressures.

Full-Band Coverage + High-Performance Breakthroughs, Addressing Multi-Network Convergence Pain Points

As 5G networks evolve towards 5G-A, the demand for integrating multi-band signals in a single base station has become increasingly urgent. Traditional combiners face issues such as fragmented frequency bands, excessive insertion loss, and difficulty in interference control. The Penta-band combiner launched by Shenzhen Jindasignal Technology has achieved three core breakthroughs through structural optimization and material innovation, with performance indicators reaching industry-leading levels:

♦ Seamless Full-Band Connection: Covering five core frequency bands from the low frequency of 380MHz to the mid-high frequency of 3800MHz, it includes the GSM-R railway private network, 700MHz radio and television band, 2.6GHz and 3.5GHz 5G mainstream bands. It can simultaneously access 2G/3G/4G/5G signals, solving the problem of equipment redundancy in multi-network co-site scenarios. A single device can replace multiple traditional single-band combiners. The product can cover mainstream communication frequency bands and future 5G-A expansion bands, eliminating the need for additional deployment of multiple single-frequency devices to meet the co-site transmission requirements of multiple networks. Adopting customized cavity design tailored to the characteristics of different frequency bands ensures independent transmission of each band without mutual interference.

♦ Ultra-Low Loss and High Isolation: Adopting aluminum alloy cavity and silver plating technology, the insertion loss across all frequency bands is strictly controlled within 0.4dB, and even as low as approximately 0.2dB in some frequency bands. The signal transmission efficiency is 18% higher than the industry average. The isolation between frequency bands is ≥50dB to prevent mutual interference between different ports, and the third-order intermodulation product (IM3) is lower than -153dBc@2×43dBm, effectively avoiding network quality degradation caused by multi-signal interference. The maximum input power per port reaches 300W (average), supporting multi-carrier and high-power base station configurations.

♦ Reliable Operation in Extreme Environments: The metal sealed enclosure features a high protection rating with IP67 dustproof and waterproof design. It supports a wide operating temperature range of -40℃ to +65℃, ensuring stable performance in coastal base stations with high temperature and humidity, high-altitude sites with extreme cold, and industrial areas with high dust concentration. This design meets the environmental adaptability requirements for mobile communication 5G-A sites.

Precise Adaptation to Multiple Scenarios, Activating Communication Potential Across Industries

With its full-band characteristics and high reliability, this Penta-band combiner has formed solutions for multiple core fields, closely matching the current needs of communication infrastructure construction:

♦ 5G Base Station Construction Field: It adapts to the multi-band common-mode architecture of macro base stations and small cells. it supports multi-band system antenna sharing, reducing deployment costs. Compared with traditional solutions, the number of devices deployed per station is reduced by 60%. Combined with the continuous wave power bearing capacity of over 300W, it fully meets the capacity upgrade needs of 5G-A base stations. According to data from China Mobile Research Institute, such equipment can reduce the construction cost per station by approximately 12%.

♦ Transportation Private Network Field: Supporting the integrated signal access of GSM-R, LTE-M, and 5G-R networks, it has passed the railway-specific communication equipment test. It can be applied to the construction of base stations along high-speed railways, solving the signal handover problem during the high-speed movement of trains.

♦ In-Building Coverage Field: In large-scale scenarios such as shopping malls and airports, it can realize full-network coverage through a single set of antenna feeder systems, reducing the investment in relay equipment. Combined with its miniaturized design, it greatly improves deployment flexibility.

♦ Industrial Internet Field: It adapts to the integration needs of 5G private networks and traditional industrial communication signals in factories. It ensures stable signal transmission in scenarios such as AGV scheduling and machine vision quality inspection, helping improve the coverage rate of industrial private networks.

Focusing on Market Demand, Building Full-Industry Chain Service Capabilities

General Manager Zeng, R&D General Manager of Shenzhen Jindasignal Technology Co., Ltd., stated: "The ultimate pursuit of spectrum efficiency by 5G-A is driving combiners towards multi-band and highly integrated development. This new product not only meets the current needs of the 3300-3800MHz mainstream 5G frequency band but also reserves room for future frequency band expansion, realizing 'one-time deployment and long-term adaptation' and creating full-lifecycle value for customers."

At present, Shenzhen Jindasignal Technology Co., Ltd. has reached strategic cooperation with two leading communication equipment manufacturers. The new product will be simultaneously integrated into their global supply chain systems, and the national order pre-order channel has been officially opened.