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Engineered for the extreme density requirements of 5G Massive MIMO antennas and compact base stations. This low-PIM jumper assembly bridges high-density L20 (Mini DIN 4.3-10) interfaces with standard 4.3-10 DIN equipment. Featuring a compact L20 male plug on one end and a standard 4.3-10 male plug on the other, it utilizes premium 1/2" supersoft (superflex) corrugated coaxial cable to deliver exceptional routing flexibility, ultra-low PIM stability (<-161 dBc), and high power handling. The 1-meter standard length is perfectly optimized for internal antenna routing, RRU-to-filter connections, and dense DAS environments where space is at a premium. Factory-assembled with precision torque and weatherproof seals for long-term outdoor reliability.
Parameter | Specification | ||
Connector A | L20 (Mini DIN 4.3-10) Male Plug | ||
Connector B | 4.3-10 DIN Male Plug | ||
Cable Type | 1/2" Superflexible (SF) Corrugated Coax | ||
Impedance | 50 Ohms | ||
Frequency Range | DC – 6 GHz (Supports 5G Sub-6GHz & C-Band) | ||
VSWR | ≤ 1.15 @ DC–3 GHz; ≤ 1.20 @ 3–6 GHz | ||
PIM Rating | ≤ -161 dBc @ 2x20W (1800/2100 MHz) | ||
Attenuation @ 2GHz | 7.2 dB/100m | ||
Power Handling | Up to 1.2 kW CW (Limited by L20 Mini interface) | ||
Shielding Eff. | >120 dB (Solid Corrugated Outer Conductor) | ||
Min Bend Radius | 30 mm (Single); 60 mm (Repeated) | ||
Length | 1 Meter (Custom lengths available) | ||
● High-Density Space Saver: The L20 (Mini 4.3-10) connector footprint is significantly smaller than standard 4.3-10, enabling tighter port spacing on Massive MIMO antenna panels and compact RRUs without sacrificing low-PIM performance.
● Ultra-Low PIM Stability: Precision-machined bimetallic contacts and optimized solder joints ensure PIM remains ≤ -161 dBc even under wind-induced vibration and thermal cycling, critical for 5G carrier aggregation.
● 1/2" Supersoft Agility: Corrugated copper outer conductor allows tight bending (30mm radius) without kinking, drastically simplifying internal antenna routing and cabinet wiring compared to standard rigid cables.
● Weatherproof by Design: IP68-rated O-ring seals integrated into both connectors; compatible with standard butyl tape wrapping for long-term outdoor deployment.
● Low & Stable Loss: Foamed PTFE dielectric and high-conductivity copper ensure minimal signal degradation over the critical last-meter jumper run.
● Torque-Controlled Assembly: Factory-terminated with calibrated tools to exact OEM specs, eliminating field installation errors and ensuring repeatable electrical performance.
● 5G Massive MIMO Antenna Internal Routing & Feeder Links
● Compact Small Cell & Pico Base Station Deployments
● 4G LTE & 5G NR RRU-to-Filter/Duplexer Jumpers
● Tower-Top Amplifier (TTA) & Diplexer Interconnects
● DAS (Distributed Antenna System) High-Density Master Units
● In-Building High-Power Feeder Links
● Broadcast Transmitter Combiner Outputs
● Custom lengths: 0.3m to 10m in 0.1m steps
● Connector options: L20 Right Angle, 4.3-10 Right Angle, or N-Type
● Cable upgrades: 1/2" standard, 3/8" superflex, or 7/8" helical
● Pre-installed weatherproofing kits (butyl tape + UV tape)
● Hoisting grips & color-coded heat shrink for phase ID
● Project-based pricing for telecom EPC contractors & OEMs
● Lead time: 5-7 days for standard 1M lengths; expedited available
Q1: What is the main advantage of L20 (Mini 4.3-10) over standard 4.3-10?
A: The L20 offers a significantly reduced footprint (up to 40% smaller), allowing antenna manufacturers to pack more RF ports into a single Massive MIMO radome. It maintains the excellent low-PIM and high-power characteristics of the 4.3-10 family while solving space constraints.
Q2: Can the L20 connector handle the same power as a standard 4.3-10?
A: The L20 is highly capable but typically has a slightly lower maximum power rating (around 1.2 kW CW) compared to the standard 4.3-10 (which can handle up to 1.5+ kW CW) due to its compact size. It is more than sufficient for 95% of 5G macro and small cell applications.
Q3: Is the 1/2" supersoft cable suitable for permanent outdoor tower installations?
A: Yes. The solid corrugated outer conductor provides 100% shielding and is rodent-proof. The PE jacket is UV-resistant. For permanent outdoor exposure, we recommend wrapping the connector junctions with weatherproofing tape (available as a pre-installed option).
Q4: Do you provide VSWR and PIM test certificates for bulk orders?
A: Yes. Every assembly is 100% tested for VSWR, PIM, and continuity. Individual sweep certificates with serial numbers are included with bulk orders to support your site acceptance testing (SAT) documentation.
High-density design. Low-PIM precision. 5G-ready reliability.
Maximize your antenna port density and accelerate your 5G rollout with factory-terminated, weather-sealed L20-to-4.3-10 superflex jumpers. Guaranteed performance and rapid project fulfillment.
👉 Get Your Project Quote & PIM Test Samples Today!
● Email: minna_liao@bjdz.top
● WhatsApp / WeChat: +86 186 2128 3578
● Specify: Length, connector config, qty — receive volume pricing and lead time within 12 hours!
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