ECHO Microwave

13/07/2026

ECHO Microwave Co., Ltd. has been granted a Korean patent for its "Triplexer Using a Suspended Substrate Stripline Structure."
The patented technology covers a triplexer architecture spanning 450 MHz to 18 GHz. Built on a suspended substrate stripline structure, it delivers improved band separation and signal processing performance for RF/Microwave systems.
We remain committed to advancing RF Filters, Triplexers, and Microwave Components through continuous R&D.
✅ Patent Title: Triplexer Using a Suspended Substrate Stripline Structure
✅ Registration No.: 10-2982770
✅ Registration Date: June 23, 2026

Check out the ESEC1800F1920F6000SG350ED60K, our product featuring this patented technology:
https://echomicrowave.com/news/new-product-esec1800f1920f6000sg350ed60k-suspended-substrate-stripline/

ECHO Microwave designs and manufactures RF filters, duplexers, multiplexers and custom microwave components for commercial and defense applications.

16/03/2026

ECHO Microwave introduces the ESEC1800F1920F6000SG350ED60K, a high-performance Suspended Substrate Stripline TPX(Triplexer) engineered for exceptional frequency management in broadband RF and high-frequency systems. Designed with advanced SSS technology, this compact solution provides superior signal isolation and integrity across three distinct bands. Its rugged aluminum construction and precision connectors ensure reliable performance in the most demanding aerospace, defense, and telecommunication environments.

Key Features
- Passband: 450 ~ 1800MHz / 1920 ~ 5650MHz / 6000 ~ 18000MHz
- Low insertion loss: 2.5dB / 2.5dB / 2.0dB
- Return loss: 9.5dB
- Attenuation:

60 @ DC~300MHz
60 @ 2150~18000MHz.......................
60 @ DC~1620MHz
60 @ 6650~18000MHz.......................
60 @ DC~5150MHz

- Power handling: 1W max.
- Size: 77.5 × 56 × 16.16 mm
- Connectorized design: 2.92 mm (Female)
- Operating temperature: -40°C to +85°C
For detailed specifications and performance graphs, please refer to the attached datasheet.

https://echomicrowave.com/bbs/board.php?bo_table=news&wr_id=35

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