Composite Plastic Smartphone Back Cover Production Process

Technical overview of PC/PMMA composite smartphone back covers, detailing production process: UV transfer, vacuum coating, high-pressure forming, laser/CNC finishing.

What Frequencies Do 5G Millimeter Waves Use

Overview of millimeter-wave 5G frequencies, common bands (24/28/37/39/47 GHz), regional allocations, bandwidth and antenna design impacts on performance.

5G Filter Tuning and Debugging Methods

Practical guide to 5G filters: design preparation, manufacturing adjustments, testing and verification techniques for diagnosing and tuning filter performance.

How 5G Differs from 4G and Data Speed Implications

Technical comparison of 5G and 4G networks: differences in speed, capacity, latency, and connection density, and how deployment affects real-world throughput.

5G Industrial Router Structure and Dual Antenna Functions

Overview of dual-antenna functions and internal structure of a 5G industrial router, covering MIMO, signal diversity, interfaces, CPU, memory, security, and throughput.

Five Key Points for 5G Testing

Five wireless network validation steps: verify performance, maintain ultra-low latency, validate reliable transmission, perform antenna testing, and run capacity tests.

Energy Saving and Digital Management for 5G Base Stations

Smart power management for 5G base stations: monitoring, energy-saving HVAC control, lithium battery storage, remote SCADA, alarms and O&M for reduced energy consumption.

Representing 1 and 0 with Electromagnetic Waves

Technical overview of 5G explaining electromagnetic fundamentals, modulation and coding, massive MIMO antenna arrays, full-duplex challenges, RF chips, standards and use cases.

High-Low Frequency Networking in 5G: Purpose and Function

Technical overview of high-low frequency networking in 5G: using TDD NR for capacity and FDD NR with SUL to improve uplink coverage, DSS coexistence, and device support.

5G-based AI Visual Inspection for Industry

Overview of a 5G-based industrial AI visual inspection system: architecture, MEC deployment, on-site equipment, platform-based algorithms and testing for multi-point factory inspection.

5G Edge Gateway for Energy Storage Monitoring

Online energy storage monitoring solution using a 5G edge gateway: architecture and design for environment, energy, equipment and security monitoring at storage stations.

Terahertz Communication and Sensing for Beyond 5G/6G

Overview of terahertz waves for B5G/6G: spectrum allocations, sensing and imaging potentials, and technical challenges for terahertz wireless networks.

Key Technical Findings Inside Huawei Mate 60 Pro

Technical teardown and lab tests of Huawei Mate 60 Pro: China-made modem and RF front end, 5G Rel.15 limitations, and two-way satellite capability.

SMD NTC Thermistors for Temperature Monitoring in 5G Devices

Guide to using SMD NTC thermistors for PCB temperature sensing: circuit examples, ADC resolution, accuracy estimates, and thermal management in 5G devices.

3GPP NTN RF Standards Overview

Overview of 3GPP NTN RF standards covering IoT-NTN and NR-NTN, satellite payload modes (transparent and regenerative), SAN/UE RF requirements and conformance tests.

900 MHz Base Station Upgrade to 5G

Technical plan for enabling 5G on 900 MHz: activation areas, frequency strategy, hardware upgrades, transport/IPRAN and terminal penetration forecast for deployment.

How to Implement a 5G Fully Connected Factory

Guide to 5G fully connected factories: how 5G industrial gateways and industrial IoT enable device access, data integration, and real-time applications.

Phased Array Antenna Types and Applications

Technical overview of phased-array antennas and beamforming: operating principles, array types, digital beamforming, test/calibration, and scalability challenges for 5G mmWave.

Optimal Filters for 5G Millimeter Wave

Technical review of emerging mmWave filters for 5G, comparing acoustic (SAW/BAW/XBAR), waveguide, microstrip and substrate waveguide approaches and size/performance constraints.

Mitigating Interference Between 5GHz Wi-Fi and 5G Sub-6 GHz

Technical analysis of Sub-6 (n77–n79) BLER degradation from internal coupling with Wi-Fi 5 GHz; measurement results and LNA/RF-IC filter and ferrite-bead mitigations.