Telecommunications infrastructure operates at the intersection of high frequency, high reliability, and massive scale. A single 5G base station processes 64T64R MIMO streams across 100 MHz carriers, requiring precision RF layout with phase-matched trace pairs across dozens of transceiver paths. The PCB must maintain impedance tolerance of ±5% from DC to 6 GHz in FR1 and 24-40 GHz in FR2 mmWave bands.
Optical transport and core networking add their own challenges. DWDM line cards and OTN switch fabrics carry 400G/800G per wavelength through hundreds of differential pairs running at 56-112 Gbps PAM4. Backplane connectors alone can consume 6-10 dB of the total loss budget at these data rates, leaving minimal margin for PCB traces. Ultra-low-loss laminates (Megtron 7/8, Tachyon 100G) and extensive back-drilling are non-negotiable.
Carrier-grade reliability means five-nines availability (99.999%) — less than 5.26 minutes of downtime per year. This demands redundant power distribution, hot-swap capability, and thermal design that maintains junction temperatures within spec even with fan failures.
Our Telecom PCB Solutions
Proven Capabilities
Superb Automation manufactures PCBs for 5G infrastructure, optical networking, and carrier-grade routing equipment. Our process supports the complete telecom hardware stack:
| Requirement | Industry Standard | Superb Capability |
|---|---|---|
| Layer Count | 12-28 layers | 8-40 layers, including hybrid RF/digital stackups |
| Base Materials | Megtron 6, IT-968G | Megtron 6/7/8, IT-988G, Rogers 4350B/4003C, Tachyon 100G |
| Max Data Rate | 56 Gbps PAM4 | 112 Gbps PAM4 verified; RF to 40 GHz |
| Impedance Control | ±10% | ±7% standard; ±5% for RF and high-speed |
| Min Trace/Space | 3/3 mil | 2.5/2.5 mil; 2/2 mil for HDI sections |
| Special Processes | Back-drilling, mixed dielectric | Back-drilling, cavity PCB, edge plating, hybrid stackup, via-in-pad |
| Testing | AOI, flying probe, ICT | AOI, 3D X-ray, flying probe, VNA (4-port S-parameter), TDR, eye diagram, BERT |
| Certifications | IPC Class 2, ISO 9001 | IPC-A-610 Class 3, IPC-6012 Class 3, ISO 9001, UL, RoHS, NEBS-ready |
Application Examples
5G Base Station RU/AAU Boards
64T64R MIMO active antenna unit PCBs with integrated transceivers, power amplifiers, and digital front-end. Phase-matched RF traces. Typical: 12-24 layers, hybrid Rogers/FR-4.
5G DU/CU Baseband Processing
Distributed and centralized unit boards with FEC accelerators, L1 processing, and CPRI/eCPRI fronthaul interfaces. Typical: 16-30 layers, Megtron 6+, high-speed backplane connectors.
OTN/DWDM Line Cards
Optical transport boards with coherent DSP, flex-grid ROADM, and multi-degree wavelength switching. Typical: 20-36 layers, ultra-low-loss laminates, extensive back-drilling.
Core Router & Switch Fabrics
Carrier-grade switch fabric boards with multi-terabit backplane interfaces and deep buffers. Typical: 24-40 layers, Tachyon 100G, IPC Class 3.
Network Security Appliances
Deep packet inspection and next-gen firewall boards with FPGA/ASIC acceleration and 100G+ interfaces. Typical: 16-28 layers, Megtron 7.
Synchronization & Timing Boards
IEEE 1588 PTP grandmaster and boundary clock boards with GNSS-disciplined oscillators. Typical: 8-16 layers, ultra-low-noise analog layout.
PCB Types in This Industry — Technical Deep Dives
Explore detailed technical articles on the specific PCB types used in this industry:
5G Base Station PCB: BBU to AAU — Complete 5G base station PCB breakdown.
5G Core Network & Transport PCB — Core network and optical transport PCBs.
Network Equipment PCB — Routers, switches, and security appliances.
OTN/DWDM PCB — Optical transport network and DWDM PCBs.
5G Network Synchronization PCB — Precision timing and synchronization.
RF Frontend Transceiver PCB — RF transceiver PCBs for communication systems.
More Industries We Serve
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Server motherboards, switch line cards, and storage backplanes for hyperscale and enterprise data centers.
AEC-Q qualified PCBs for BMS, OBC, DC-DC converters, ADAS sensors, and in-vehicle networking.
Rugged PCBs for PLCs, motor drives, remote I/O, and industrial IoT — built for harsh factory environments.
RF front-end modules, phased-array antenna boards, and microwave subsystems with precision impedance control.
Compact, low-power PCBs for smart sensors, wearables, smart home gateways, and battery-operated IoT endpoints.
ISO 13485 compliant PCBs for diagnostic imaging, patient monitoring, surgical instruments, and wearable health devices.
Avionics, satellite communication, radar signal processing, and military-grade PCBs — coming soon.
Solar inverters, wind turbine controllers, energy storage BMS, and grid infrastructure — coming soon.
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