Build multi-antenna UHF RFID systems for warehouses, conveyors, smart cabinets, production lines, asset tracking and automated identification. Syncotek provides fixed RFID readers with 4, 8 and 16 antenna ports, multiple industrial interfaces, high-speed Impinj E710 options, SDK support and OEM integration capabilities.
A fixed RFID reader is designed for permanent installations where one reader must continuously manage external antennas and exchange tag data with a host system, PLC, access controller or business application.
Connect several external antennas to one reader and position each antenna at a specific doorway, shelf, workstation or process point.
Fixed readers are suitable for installations requiring continuous or automatically triggered tag inventory without an operator holding a device.
Serial, Ethernet, Wiegand and GPIO interfaces can connect RFID identification with automation controllers and software platforms.
External antennas allow system engineers to choose gain, polarization and beam width according to each reading zone.
Higher-performance reader platforms are available for applications that require rapid inventory across dense RFID tag populations.
Fixed readers can become the RFID data acquisition layer in tunnels, cabinets, gates, conveyors and custom industrial machines.
More antenna ports do not automatically mean a better RFID system. Select the reader according to the number of independent antenna positions the project actually requires.
Four antennas are often enough when one reader needs to cover several directions or several nearby identification points.
Recommended families:
SR-RU422B
SR-RU461B
SR-RU471B
Eight ports can reduce the number of independent reader units when multiple shelves, directions or zones need to be covered.
Recommended families:
SR-RU461C
SR-RU471C
Sixteen ports are useful when one reader platform must control a larger antenna network across many physical positions.
Recommended families:
SR-RU461D
SR-RU471D
Compare antenna count, reader platform and inventory requirements before selecting a model. Final system performance should always be validated with the intended antennas, tags, RF cables and installation environment.
| Model | Positioning | Antenna Ports | RF Output | Inventory Performance* | Reference Read Distance* | Typical Direction |
|---|---|---|---|---|---|---|
| SR-RU422B | Cost Efficient | 4 × SMA | Up to 30 dBm | ≥50 tags/s* | ≥25 m* | General industrial RFID, sensor-tag applications, cost-sensitive installations |
| SR-RU461B | 4-Port Performance | 4 × SMA | Up to 33 dBm | ≥200 tags/s* | ≥35 m* | Warehousing, logistics, industrial automation |
| SR-RU471B | Impinj E710 | 4 × SMA | Up to 33 dBm | ≥1,000 tags/s* | ≥45 m* | Dense inventory, high-speed sorting, high-performance projects |
| SR-RU461C | 8-Port | 8 × SMA | Up to 33 dBm | ≥200 tags/s* | ≥35 m* | Smart shelves, larger cabinets, multi-zone automation |
| SR-RU471C | E710 / 8-Port | 8 × SMA | Up to 33 dBm | ≥1,000 tags/s* | ≥45 m* | High-throughput multi-zone RFID systems |
| SR-RU461D | 16-Port | 16 × SMA | Up to 33 dBm | ≥200 tags/s* | ≥35 m* | High antenna count cabinets and equipment |
| SR-RU471D | E710 / 16-Port | 16 × SMA | Up to 33 dBm | ≥1,000 tags/s* | ≥45 m* | Dense antenna networks requiring high inventory speed |
*Published inventory and reading-distance values come from the corresponding Syncotek product specifications and specified test conditions. Read-distance references use specific test antennas, RF output settings and test tags. Real installation performance depends on antenna, tag, cable loss, orientation and environment.
The SR-RU461B / 461C / 461D family provides 4, 8 and 16 SMA antenna configurations with up to 33 dBm RF output and multiple communication interfaces.
The SR-RU471B / 471C / 471D family uses the Impinj E710 reader platform and provides 4, 8 and 16 antenna-port configurations for demanding tag inventory applications.
Antenna count is only one part of fixed-reader selection. Communication interfaces determine how RFID data connects to automation equipment, access control or enterprise software.
A fixed reader becomes the central RFID acquisition layer between multiple antennas and the customer's application or automation system.
Multiple antennas can cover dock doors, receiving points and outbound verification zones.
Trigger RFID inventory when cartons or items pass defined automation points.
Connect antennas across shelves or compartments for tools, consumables and controlled assets.
Identify tagged carriers and workpieces across production stations and quality checkpoints.
Monitor equipment and assets moving through controlled rooms or facility checkpoints.
Combine fixed readers with suitable antennas and vehicle tags at controlled identification points.
High antenna counts can support enclosed multi-angle reading architectures.
Integrate fixed readers into industrial machines, intelligent cabinets and automated systems.
Send us your antenna quantity, read-zone layout, RFID tag type, target read distance, interface, operating region and expected tag population. We can help select a suitable 4, 8 or 16-port reader.
Selecting the reader is only one step. Real RFID projects also require the correct antennas, RF cables, tag type, trigger strategy, interface and application software.
Browse the complete Syncotek fixed-reader product lineup and individual specifications.
View Fixed Readers →For manufacturers that need to integrate RFID directly at board level into custom hardware.
View RFID Module Guide →Match antenna gain, beam width and polarization to fixed-reader installation requirements.
Explore RFID Antennas →A fixed UHF RFID reader is installed permanently and connects to one or more external RFID antennas. It continuously or automatically reads RFID tags and sends data to a host controller or software system.
The main difference is the number of external antenna connections available. Four ports are suitable for smaller multi-zone systems, while eight ports can manage more antenna positions from one reader.
A 16-port reader is useful when one reader must manage a dense antenna network, such as a large smart cabinet, intelligent RFID workstation or other multi-zone system.
Not automatically. Antenna count and tag inventory performance are different specifications. Reader platform, RFID chip, inventory algorithm, RF environment and tag population determine inventory performance.
SR-RU471B, SR-RU471C and SR-RU471D are based on the Impinj E710 platform and provide 4, 8 and 16 SMA antenna-port configurations respectively.
Selected Syncotek fixed readers support interfaces including RS232, RS485, Ethernet, Wiegand and GPIO, allowing integration with controllers and industrial systems depending on the project architecture.
Selected fixed-reader families provide DEMO and SDK resources and list development support for Windows, Android and Linux with languages including C, C#, Java and Python depending on model.
Start with required coverage, read distance, tag orientation, surrounding material and available installation space. Antenna gain, polarization and beam width should be selected around the intended read zone rather than simply choosing the highest-gain antenna.
Tell us your antenna quantity, read-zone layout, tag population, communication interface, operating region and application environment. Syncotek can help identify an appropriate fixed reader, antenna and RFID tag combination for your project.
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