This 2-layer rigid PCB is built with Astra MT77—an advanced low-loss dielectric material—optimized for millimeter-wave and RF/microwave commercial applications.

PCB Specifications

PCB Stack-up (Top to Bottom)

Astra MT77 Material Overview

Astra MT77 is a breakthrough dielectric material designed for millimeter-wave frequencies and beyond. It delivers exceptional electrical performance that remains stable across a broad frequency range and temperatures (-40°C to +140°C), even up to W-band frequencies. As a cost-effective alternative to PTFE and other commercial microwave laminates, it meets the demands of modern commercial RF/microwave printed circuit designs while offering ultra-low loss and reliable performance.

Key Features of Astra MT77

Processing Advantages

Astra MT77 simplifies manufacturing with multiple practical benefits:

-Compatible with standard FR-4 processing workflows (no special equipment needed)

-Short lamination cycles for improved production efficiency

-Reduced drill wear to lower manufacturing costs

-No plasma desmear required, streamlining processing steps

-Good flow and fill characteristics for reliable layer adhesion

-Strong dimensional stability across production and operating conditions

-Supports multiple lamination cycles for flexible manufacturing

-Compatible with any layer technology, HDI, and VIPPO designs

Typical Applications

This 2-layer Astra MT77 PCB is specifically tailored for automotive -RF/microwave systems, including:

-Long-range antennas and radar for adaptive cruise control

-Pre-crash detection systems

-Blind spot monitoring

-Lane departure warning systems

-Stop-and-go systems

Company Profile

Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in Shenzhen China, severing cellular base station antenna, satellite, high frequency passive components, microstrip line and band line circuit, millimeter wave equipment, radar systems, digital radio frequency antenna and other fields worldwide for 18 years. Our high frequency PCBs are mainly built on 3 high frequency material brands: Rogers Corporation, Taconic and Wangling. Dielectric constant ranges from 2.2 to 10.2 etc.

Bicheng PCB is headquartered in Shenzhen, a city with great economic vitality. Based in China, we adhere to the philosophy of servicing small and medium sized companies offering variety of circuit boards to meet the demands of market.

Main Business & PCB Applications

We maintain the highest standards which support products that exhibit exceptional quality, performance and reliability. We also have divisions of FR-4 circuit board, flexible circuits and metal core PCBs featured as prototypes, small runs to mass production. We actively research and build such high value added PCB projects as HDI, quick turn, impedance control, heavy copper and backplane board etc. This has made our PCB products generate an effective prolongation and complementation, as well as formation of integrated products line ranging from low-end to high-end.The circuit boards are used in the industries of home appliances, portable and consumable electronics, medical filed, aerospace as well as telecommunications etc.

Main Material Partners