Catalogue-
APEX Xichang Team-Building Trip: Forging Cohesion, Inspiring Progress
To enhance team cohesion, APEX organized a three-day team building trip to Xichang for all employees last Thursday. Greeted by clear skies and bright sunshine upon arrival, we held the annual meeting in a lakeside pavilion after check-in, which featured leadership speeches, outstanding employee a...Read more -
LTCC Filter vs. Dielectric Filter: A Technical Comparison and Selection Guide
The LTCC filter is a 3D multi-layer integrated RF filter and a core component in modern communication and IoT applications. It offers advantages such as compact size, wide frequency coverage, and high reliability. ▸ Ultra-compact: Utilizes multi-layer ceramic co-firing, making it much smaller t...Read more -
The Coupler Cabinet: Core Component in Tunnel Communication Systems
In the tunnel communication system, the coupler cabinet, also known as POI, is an indispensable core device. It serves as a signal hub for the distribution, coupling and management of radio frequency signals in enclosed tunnel spaces. By integrating key RF components such as couplers,duplexer, co...Read more -
Filter Basics: The “Signal Gatekeepers” of RF Communication
Filters select desired frequencies while blocking interference. As core RF and microwave components, they are essential for stable, interference-free signal transmission. Here’s a quick guide to common types: >Bandpass Filters: Allow only a specific frequency band to pass, ideal for U...Read more -
UAV: Solving Communication Challenges
In systems such as UAV surveying and mapping, remote control links, data transmission, GPS/BDS, 5G and satellite communication, RF and microwave passive components are the core elements ensuring stable signal transmission, anti-interference performance and compliant operation. 1. Passive Componen...Read more -
Helical Duplexer For VHF/UHF Communications
VHF/UHF frequency bands continue to play an irreplaceable role in both civilian and industrial communications.The helical duplexer boasts precise filtering performance, rugged durability and high cost-effectiveness, making it a top choice for radio systems, repeaters and mobile devices. The core ...Read more -
High Isolation TETRA Combiner for 380-470MHz
A TETRA combiner is an RF device used in TETRA (Terrestrial Trunked Radio) systems to combine multiple transmit or receive channels onto a single antenna or a reduced number of antenna ports. Function ⭐Combines multiple TETRA base station transmitters into one antenna sy...Read more -
What is RF POI?
RF POI stands for RF Point of Interface, which is a telecommunications device that combines and distributes multiple radio frequency (RF) signals from different network operators or systems without interference. It works by filtering and synthesizing signals from various sources, such as differen...Read more -
APEX Microwave to Exhibit at EuMW 2025
EX Microwave Co., Ltd. will be exhibiting at European Microwave Week (EuMW 2025) at the Utrecht Exhibition Center in the Netherlands, September 23–25, 2025. Booth number B115. We will be showcasing a wide range of RF passive components for military, commercial, industrial, medical, base station c...Read more -
Application of Duplexers in Indoor Distribution Systems
With the increasing demand for mobile and public safety communications, indoor distributed antenna systems (DAS) are widely used in locations such as airports, subways, hospitals, and large commercial complexes to address indoor coverage blind spots and signal attenuation. Among the many key comp...Read more -
High-Performance SMT RF Isolator for 2000–2500MHz Applications
RF isolators are vital components in modern RF systems, ensuring signal protection and stable transmission. The APEX SMT isolator is designed for reliable performance in demanding environments. Parameter Specification Frequency Range 2000-2500MHz Insertion loss 0.6dB max0.7dB max@-40~+1...Read more -
The Rapid Growth and Application of RF Isolators in the 5G and IoT Era
With the rapid development of 5G networks and the Internet of Things, the importance of RF isolators has become increasingly prominent. They effectively prevent reflected signals from entering the transmitter, protecting system components and ensuring the stable operation of frequency conversion ...Read more
