SDR Receive-Only Antenna Splitter and Combiner

Share a receiving antenna between two compatible SDR or radio inputs. This compact 50-ohm splitter module provides two receive paths and a USB-powered feed option for a suitable active antenna or LNA arrangement.

✅ Use one antenna with two receivers - The split connection provides a shared antenna path for compatible receiving equipment.

✅ Plan an active receiving front end - The USB feed supports the module's intended active-antenna or LNA power arrangement.

✅ Keep the connection point compact - The approximately 30 × 30 mm board fits a small radio work area.

Build a Shared Receiving Arrangement

Two receivers may need to observe the same antenna signal during a listening experiment or comparison. A splitter provides that common source, so the antennas do not have to be changed each time you change the receiver.

Check the DC feed path, voltage requirements and isolation needs before connecting active equipment. Signal splitting introduces losses that matter to the receiving arrangement. This module is for reception only and must not be connected to a transmitting output.

Technical details

• Type: receive-only RF splitter/combiner
• Impedance: 50 ohms
• Stated frequency range: DC-3 GHz
• Power-feed interface: micro-USB
• Board size: approximately 30 × 30 mm, excluding connectors
• Includes: one module

Plan the feed and add a shared antenna path to your receiving setup.