What are antenna switches?
Antenna switches – also known as duplexers, diplexers, triplexers, or coaxial switches – allow multiple signals to be transmitted and received via a single antenna or coaxial cable. This increases the efficiency of your setup and prevents unnecessary complexity.
Thanks to smart filtering and isolation, frequencies are separated from each other, minimizing interference and ensuring your equipment performs optimally.
Different types of antenna switches
Duplexers (RF duplexer)
A duplexer makes it possible to transmit and receive simultaneously via a single antenna.
- Ideal for dual-band radios and communication systems
- Effectively separates frequencies to prevent interference
- Widely used in telecom, walkie-talkies, and radar installations
Triplexers
With a triplexer, you can combine or split three frequency bands.
- Supports, for example, 150 MHz, 400 MHz, and 900 MHz
- High isolation (often >50 dB) for stable performance
- Suitable for applications such as GPS, GSM, and WLAN
Diplexers
A diplexer combines or separates two frequency bands.
- Perfect for dual-band antennas
- Ideal for limited installation space
- Widely used in base stations and mobile installations
Applications of antenna switches
Antenna switches are widely used in various situations:
- Combining multiple radios on one antenna
- Splitting signals to different antennas
- Optimizing installations with limited space
- Used in transmission installations, repeaters, and mobile communication
Important specifications to consider
When choosing the right antenna switch, these are the most important factors:
- Isolation: >50 dB prevents signal interference
- Frequency range: tailored to your application
- Connectors: compatible with your current setup
- Power: suitable for the transmission power of your equipment
Quality and brands
At Deltron, you will find only reliable antenna switches from renowned brands such as:
- Comet
- MFJ
- Komunica
- K-PO
- President
- Moonraker
- Magnum
These brands are known for their durability, performance, and reliability in demanding environments.
Why choose Deltron?
- Wide range of antenna switches
- Fast delivery from our own stock
- Expert advice from specialists
- Suitable for both professionals and hobbyists
Are you unsure which antenna switch best suits your situation? Choosing between a duplexer, diplexer, or triplexer depends on your frequencies, installation, and usage. In our blog "Everything you need to know about antenna switches," we clearly explain how these systems work, when to use which solution, and what to consider when making the right choice. This way, you prevent interference and get the most out of your communication system.
Read the full article here and make an informed choice.
