About
COM-TECH is a leading Italian manufacturer of high-performance RF passive components for Broadcast and High Frequency applications, offering a comprehensive portfolio of advanced solutions for Broadcast TV & Radio, and Industrial & Scientific sectors. With a presence in over 50 countries, COM-TECH is internationally recognized for its innovation, performance, reliability and industry-leading delivery times.
COM-TECH delivers customized RF solutions, supported by expert services from site surveys to installation and ongoing technical assistance.
Broadcast TV & Radio

COM-TECH manufactures a complete range of passive components for Broadcast TV & Radio applications.
- Digital & Analog TV: DVB-T, ATSC, ISDB-T and Analog TV, for the UHF, VHF B.III and VHF B.I Operating Bands
- Digital & Analog Radio: DAB, T-DMB and FM Radio
The Product Range includes 7 families:
Combiners
Channel Combiners for Broadcast TV and Radio, available in Manifold, Starpoint, and Balanced configurations.
Bandpass Filters
Output Bandpass Filters for TV and Radio transmitters, supporting all major transmission masks. 🔗 Explore Bandpass Filters
Lowpass Filters
Designed to provide out-of-band spurious rejection when paired with COM-TECH Bandpass Filters.🔗 Explore Lowpass Filters
Hybrid Couplers, Multicouplers & Splitters
RF components designed to efficiently combine multiple power amplifiers, including Hybrid Couplers, Multicouplers, and Splitters. 🔗 Explore Hybrid Couplers, Multicouplers, Splitters
Directional Couplers & Monitoring
Components to monitor RF systems. 🔗 Explore Directional Couplers
Patch Panels
Modular and flexible Patch Panels, including Antenn Split panels. 🔗 Explore Patch Panels
Loads
RF Dummy Loads. 🔗 Explore Loads
Connections
Rigid Line components for indoor RF infrastructure, including Flanges, Elbows, Junctions. 🔗 Explore Connections
Industrial, Scientific & Medical (ISM)
COM-TECH Designs customized RF Passive components for industrial, scientific and medical use — Hybrid Couplers, Multicouplers, High-Power Couplers, Directional Couplers, Monitoring, Patch Panels, Loads, Connections, and more.
Operating from 50 to 2,500 MHz, COM-TECH ISM components serve a wide range of applications:
- Particle Accelerators (Synchrotrons, LINACs)
- IoT Networks
- Microwave Communications (e.g., wireless camera links, microwave distribution)
- Transport Networks (e.g., tunnel signal distribution, service communications)
- Air Traffic Control (ATC) radio systems
- Professional Mobile Radio (PMR)
- Weather & Hydrological Monitoring
Key Features

1. Innovation & Performance
COM-TECH products are designed using state-of-the-art techniques, engineered with innovative development tools, and manufactured with cutting-edge technology to deliver:
- Highest voltage safety margins for maximum reliability
- Lowest insertion loss for optimum efficiency
- Exceptional power handling in compact dimensions
- Rugged construction for superior mechanical stability and durability
This commitment ensures advanced performance and unmatched reliability, backed by decades of innovation reflected in our timeline of achievements.
2. Reliability
COM-TECH products are renowned for their reliability. Even a single fault in a passive component can compromise the integrity of an entire signal transmission, which is why every COM-TECH component is designed and manufactured to the highest standards of precision and durability.
For your absolute confidence:
- All passive components are covered by a 10-Year Warranty
- All active components are covered by a 2-Year warranty
For full details on coverage and specific conditions, please refer to the Warranty Conditions available on the COM-TECH website.
3. Flexibility & Customization
COM-TECH is known for its flexibility in meeting specific customer requirements, supporting a wide range of modifications, including custom frames for space-constrained installations, mechanical adaptations, and tailored configurations. Thanks to the COM-TECH Modular Connector System COM-TECH Products can be equipped with a wide variety of connections.
4. Short Delivery Times
Most COM-TECH products are maintained in a quasi-finished state, allowing us to respond quickly to incoming orders. Once an order is placed, we select the required units from stock, apply any necessary customizations — such as connector configurations or specific options — perform final tuning, and proceed with shipping. This streamlined workflow enables us to offer some of the shortest delivery times in the industry.
History and Innovations
1990 – 1992
- Founding of Microteco Snc by Eng. Daniele Valenti (1990)
- World-first TV Manifold Combiner MPX3L (1990)
- Company renamed COM-TECH Srl (1992)
1998 – 2001
- First VHF Band III DAB filter (CL6NVDAB) (1998)
- First Italian company to adopt CST Microwave Studio and to gain ISO 9001 certification
- First exhibition at IBC Amsterdam (2000)
2001 – 2005
- World-first elliptical-response TV bandpass filter (TC4E120L) (2001)
- Ultra-compact Interdigital Hairpin design for VHF Band I (2001)
- Move to Morbegno headquarters, Via Industria 7 (2003)
- DualCross double cross-coupling bandpass filter (2003)
- XLine extracted-pole filter (2004)
- MultiStep patent (ultra-flat UHF hybrid coupler) + 200 mm cavity bandpass filter (2005)
2006 – 2010
- BeO-free dry load (DL3000C) and first multicouplers/splitters (2006)
- DF Series balanced combiner with MultiStep hybrids (2006)
- First liquid-cooled bandpass filters (2007)
- Accuprobe directional coupler with equalised probes (2009)
- Establishment of COM-TECH do Brasil (2009)
2011 – 2015
- Transition to COM-TECH Italia SpA + ISO 14001 (2011)
- Integrated forced-air cooling system (2012)
- TF Series ultra-compact UHF filters and NH Series MultiStep couplers (2013)
- New site in Morbegno, Via Artigianato 9 (2013–14)
- World-first FM manifold combiner (ME3P120F) (2014)
- TS Series compact VHF Band III filters + BS OHSAS 18001 certification (2015)
2016 – 2020
- MH-Series progressive multicoupler (2016)
- Accuprobe III with single/dual equalised probes (2018)
- High-power low-pass filters (LH Series) for UHF/VHF/FM (2020)
- High-power FM filters – TC Series 280 mm cavity (2020)
2021 – 2022
- High-power FM filters – TC Series 400 mm cavity (2021)
- MX Series 30 mm UHF manifold combiner: larger cavity, still compact (2022)
- Ultra-compact low-power DAB filters & combiners (CL Series) (2022)
Design and Workflow
COM-TECH products are designed with state-of-the-art techniques, engineered with the most innovative development tools, and realized with cutting-edge manufacturing technology, in order to deliver the most advanced performances with the highest level of reliability:
- Highest voltage safety margins for maximum reliability
- Lowest insertion loss for optimum efficiency
- Highest power handling over the physical dimension, for maximum compactness
- Rugged construction for maximum mechanical stability, durability, and immunity to transportation shocks
Since the beginning COM-TECH has made extensive use of Computer Aided Engineering (CAE), and has been amongst the first to adopt 3D EM and Fluid Dynamic simulation, coupled with the most advanced Optimization tools.
COM-TECH’s development workflow:






