Full-scale Implementation of 5G Distributed Networking
RF Power Dividers Balance Signal Distribution to Build Multi-channel Base Station RF Links
RF power divider is a universal passive distribution RF component, which splits one input RF signal into multiple equal or proportional output signals. It can also work as a combiner to converge multi-channel signals into single-channel transmission in reverse direction. Common base station types include 2-way, 4-way and 8-way models, manufactured by microstrip, cavity and coaxial processing technology, with three core features: impedance matching, power equalization and port isolation. Different from filtering and isolating components, power dividers focus on signal splitting, power balancing and multi-site networking, which are essential for indoor distributed base stations, macro feeder networking and multi-antenna array networking, matching full-scene base station RF wiring construction.
Core Functions for Base Station
1. RF Power Equalization: Split single RF signal into multi-channel equal-amplitude signals to supply multiple antennas and RF modules, reduce the quantity of PA output ports; 2. Port Anti-crosstalk Isolation: Isolate mutual interference between branch ports, avoid linkage failure caused by single branch antenna or feeder fault; 3. Link Impedance Matching: Match standard 50Ω base station impedance, optimize system VSWR value and reduce reflected signal loss; 4. Networking Cost Reduction: Replace multiple independent RF transmitting units, realize multi-point signal coverage with one set of PA, cut down wiring and equipment procurement cost greatly.
2. The Most Widely Used mainstream Band: Sub-6GHz Universal Band n1/n3 (698MHz–3800MHz)
698MHz-3800MHz is a universal wideband compatible with 4G/5G mainstream frequency bands including n1, n3, n41 and n78, covering residential indoor distribution, shopping mall micro base stations, roadside pole stations and industrial park macro base stations. It ranks No.1 in procurement volume for operator indoor coverage and community continuous networking. With rapid 5G-A indoor capacity expansion, 8-way multi-channel power dividers are in surging demand. This universal wideband model supports mixed use of old and new base stations without band selection, featuring high universality for renovation and new construction projects.
2.2 Existing Industry Pain Points
1. Ordinary wideband dividers have large amplitude imbalance, leading to uneven signal strength and coverage blind zones; 2. Low branch port isolation causes linkage outage of all branches once single branch fails; 3. Dielectric loss rises under extreme temperature, unstable insertion loss increases base station power consumption; 4. Poor shell shielding performance leads to external electromagnetic interference, causing network fluctuation and terminal disconnection in dense co-site scenarios.
2.3 Our Universal Wideband Power Divider Solution
① High-precision cavity coupling process, amplitude imbalance ≤0.2dB, realize uniform multi-channel power output and eliminate coverage blind zones; ② Branch port isolation ≥20dB, independent fault isolation without linkage impact; ③ Low-loss dielectric material, stable insertion loss from -40℃ to +80℃, adapt to all-weather outdoor operation; ④ Thickened galvanized shielding shell, strong anti-electromagnetic interference performance for dense co-site base stations; ⑤ Standard DIN/N/SMA interface, sufficient stock for 2/4/8-way models, compatible with mainstream brand RU and antennas, customized interface available.
Solve four core pain points including uneven power output, linkage branch failure, temperature drift loss and weak anti-interference performance. One single model compatible with full 4G/5G bands, reduce operator stock selection cost, optimize urban indoor and outdoor signal uniformity, lower daily network operation and maintenance workload.
3. Cutting-edge Band For 2026 & Beyond: 5G-A/6G Ultra-wide Band n112 (7425MHz–8400MHz)
Domestic 5G-A ultra-wideband integrated networking will be fully launched in 2026. Band n112 is specially planned for smart buildings, underground pipe networks and industrial park full coverage, also compatible with 6G low-frequency pre-commercial networking. It focuses on ultra-dense indoor antenna arrays, integrated smart base stations and computing-communication integrated cabinets. Featuring ultra-large bandwidth, this band requires power dividers with wideband adaptability, onboard mini size and high power resistance, becoming essential RF distribution components for smart communication and industrial private network in next three years.
3.2 Cutting-edge Technical Bottlenecks
1. Traditional microstrip dividers fail to match nearly 8GHz ultra-wideband, suffering severe power attenuation at high frequency terminal; 2. Traditional bulky split dividers cannot be embedded into integrated RF modules due to compact internal space design of 6G base stations; 3. Complex electromagnetic environment in industrial parks leads to high intermodulation value and internal coupling clutter interference under high frequency; 4. New integrated base station requires modular assembly with couplers and connectors, which cannot be realized by traditional discrete components.
3.3 Our Exclusive n112 Ultra-wideband Power Divider Advantages
① New coaxial multi-stage coupling structure, realize full-band power equalization from 7425MHz to 8400MHz, amplitude difference ≤0.3dB without high-frequency attenuation; ② Compact onboard integrated structure, 50% smaller size, embedded design fit 5G-A/6G integrated base station assembly; ③ Low-PIM integrated process, PIM ≤-162dBc, resist complex industrial electromagnetic coupling interference; ④ High-power endurance design, 200W continuous power, adapt to high-power RF output of integrated base stations; ⑤ Modular assembly structure, matched with supporting couplers, connectors and phase-stable cables, build one-stop RF architecture for new-generation integrated base stations.
Break four cutting-edge bottlenecks of new-generation ultra-wideband dividers: limited bandwidth, oversized volume, high-frequency intermodulation interference and poor modular compatibility. Keep pace with 5G-A upgrading and 6G low-frequency pilot construction from 2026 to 2030, serve civil building and industrial private network dual scenarios, make up for domestic high-frequency wideband divider shortage, help system integrators launch new integrated communication projects efficiently.
Our full-series base station power dividers & combiners cover 4G/5G Sub-6GHz bands and 5G-A/6G cutting-edge ultra-wide bands, divided into indoor microstrip type, outdoor waterproof cavity type and onboard integrated type. We supply supporting couplers, filters, duplexers, circulators, isolators, RF connectors and test cables for one-stop procurement. Custom OEM/ODM service on channel quantity, power, interface, size and PIM index is available, with complete VNA test reports for each product. Welcome telecom manufacturers, indoor distribution integrators, operator operation teams and communication engineering enterprises for sample test and long-term bulk strategic cooperation.