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SSD-R4L 4-Port Fixed UHF RFID Reader(images 1)

4-Port Fixed UHF RFID Reader

✔️ Industrial-Grade Design with IP67 Protection

✔️ 600+ Tags/Sec High-Speed Multi-Tag Identification

✔️ 0-20M Extended RFID Range with 4-Port Antenna Configuration

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This industrial RFID reader works as high-performance RFID gateway, developed by a professional UHF RFID reader factory, delivering stable reading performance up to 5-15 meters for reliable asset tracking and automation.

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SSD-R4L Fixed UHF RFID Reader Specifications

  • ModelSSD-R4L
  • BrandCykeo
  • Product Name Fixed UHF RFID Reader
  • Dimensions216*246*41mm
  • Power Input 12V/3A
  • Installation Method Fixed by four screw holes
  • Net weight1.2kg
  • API InterfacesRESTful & Native APIs (IoT/ERP Integration Ready)
  • ​LanguagesJava, C# (Cross-Platform Compatibility)
  • ​Secondary Development SDKFull toolkit for ​custom firmware & app development
  • Frequency Range840MHz~960MHz
  • Recognizing speed>600 times / S
  • Protocol Support EPC C1G2, ISO18000-6B/C
  • Reading Distance0-20 meters, differ for tags
  • Writing distance0-10 meters, differ for tags
  • ​RF Power (Port)33dBm±1dBm(MAX)
  • InterfacesRJ45/RS232/HDMI/USB
  • Antenna Port4 TNC female
  • I / O interface2 inputs, 3 outputs
  • CPU Frequency816MHz
  • RAM32MB
  • Memory32MB
  • ChipsetImpinj E710/X3M1
  • Operating Temperature-20°C to +60°C
  • ​Humidity5%RH–95%RH (Non-Condensing)
  • ​Storage Temperature-40°C to +85°C

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​Fixed UHF RFID Reader FAQ​

How to Choose the Best Fixed UHF RFID Reader for High-Traffic Warehouse Dock Doors?​


Fixed UHF RFID readers really shine in busy spots like dock doors, where tracking pallets manually would be a headache. The Cykeo FX-9000 is built for exactly that, supporting EPC Gen2v2 and ISO 18000-6C, so it works with standard supply chain tags worldwide.

It handles multiple antennas well—up to 8 can run together in Dense Reader Mode, which keeps wider portals from interfering. With a 32-bit processor, it can read over 2,000 tags per second, enough to keep up with pallets moving at 3 m/s. The unit is tough, too, running from -30°C to 65°C with 95% humidity and an IP67-rated housing that resists dust and water jets during loading.

For best results, mount four circular-polarized antennas at 45° above the doors for full coverage, set output around 30 dBm to balance range and regulations, and use Cykeo’s middleware to filter duplicates and feed data straight into SAP or ERP systems.

​Performance Metrics​​:

ScenarioFX-9000 Success RateIndustry Average
Palletized Goods99.4%85%
Mixed-Material Containers98.1%72%
Fast-Moving Vehicles97.9%68%
Can Fixed UHF RFID Readers Overcome Metal Interference in Automotive Manufacturing?​

Fixed UHF RFID readers like the Cykeo FX-7000 Industrial Series are made for tough assembly-line environments, tracking metal-embedded assets without missing a beat. They use adaptive frequency hopping (902–928 MHz) and multi-protocol filtering to cut through the usual noise.

On the hardware side, near-field, metal-tuned antennas help read tags on car frames, slashing null zones by around 70% compared to standard far-field antennas. The system also leans on machine-learning algorithms to separate RFID signals from welding sparks or CNC interference, and double-shielded RG-316 coax cables keep signal loss to a minimum in high-EMI zones.

In practice, one Tier 1 automotive supplier put FX-7000 readers at 20 workstations and cut part misplacements by 55%, hitting 98.6% read accuracy on engine blocks and transmissions. Key setup steps include using on-metal tags with a small foam spacer, switching the reader into “Metal Mode” for optimal sensitivity, and routing data through Modbus/TCP to MES systems like Siemens Teamcenter for real-time updates.

How to Integrate Fixed UHF RFID Readers with Legacy Warehouse Management Systems (WMS)?​

Modern fixed readers like the FX-9000 make it pretty easy to connect with older systems—they support RESTful APIs, OPC UA, and even direct SQL syncing. Usually, the first step is mapping RFID fields like EPC, timestamp, and location to your WMS columns, which you can do with the Cykeo Connect SDK in Java, C#, or Python.

The readers can also do a bit of edge computing—filtering duplicates and prepping data right on the embedded Linux OS—so your WMS doesn’t get slammed, cutting server load by up to 40%. For safety, you can use dual Ethernet ports to send data to both the WMS and a backup server, keeping everything safe even if the network hiccups.

They work with legacy WMS like SAP ECC, Oracle JD Edwards, and Manhattan, IIoT platforms such as AWS IoT SiteWise or Azure Sphere, and even custom in-house systems via JSON or XML. In one case, a 3PL logistics provider hooked FX-9000 readers to a 20-year-old WMS and cut $220k in manual scanning costs, while hitting 100% scan accuracy for inbound and outbound shipments.

What frequency does this UHF RFID reader support?​

The reader supports 840MHz–960MHz frequency operation. The working frequency can be adjusted according to regional requirements.

Which RFID chipset does the reader use?​

The reader can be equipped with Impinj E710/X3M1 chipsets, providing reliable tag reading performance for intensive RFID applications.

What is the sensitivity of the RFID reader?

The reader has a sensitivity of up to -85 dBm, helping it detect RFID tags with relatively weak signals.

How many antenna ports are available?

Different versions are available with different antenna interfaces:

  • 4 × TNC female
  • 8 × TNC female
  • 16 × SMA female

The antenna configuration can be selected according to the application and installation requirements.

What is the maximum RFID reading distance?

The reading distance is approximately 0–20 meters, depending on the RFID tag, antenna, reader power, installation environment, and surrounding interference.

What is the RFID writing distance?

The typical writing distance is approximately 0–10 meters. The actual writing distance varies depending on the tag type, antenna, operating environment, and tag performance.

Does the reader support fixed frequency and frequency hopping?

Yes. The reader supports both fixed-frequency and frequency-hopping operating modes, allowing it to adapt to different regional frequency regulations and application environments.

Can I use multiple antennas with this RFID reader?

Yes. Depending on the model, the reader supports 4, 8, or 16 antenna ports, making it suitable for applications that require multiple reading zones or wider RFID coverage.

Can this RFID reader be customized for a specific project?

Yes. The reader supports different antenna-port configurations, adjustable RF output power, fixed-frequency or frequency-hopping operation, and multiple RFID functions. For project-based applications, the reader configuration can be selected according to the required reading range, antenna layout, tag type, and installation environment.

Which RFID protocols are supported?​

This UHF RFID reader supports EPC C1G2 and ISO18000-6B/C protocols, making it suitable for a wide range of UHF RFID applications.

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