Times-7 – A5531 SlimLine™ Ground RFID Antenna
The Times-7 A5531 is a robust, ultra-low-profile ground antenna specifically designed for real-time tracking of people and assets in dynamic environments. At just 10 mm thick and capable of supporting over 200 kg (440 lbs), the A5531 is optimized for installations where side antennas are impractical. It is ideal for applications such as conference attendee tracking, race timing, and industrial asset monitoring. The A5531 is available in three polarization options—circular, vertical linear, and horizontal linear—to suit a wide range of deployment scenarios. Durable and discreet, it integrates seamlessly into walkways and under mats without compromising read performance or user flow.
Specification
Electrical:
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Frequency Range: 864–868 MHz (ETSI) / 902–928 MHz (FCC)
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Polarization Options:
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A5531C: Right-Hand Circular
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A5531V: Vertical Linear
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A5531H: Horizontal Linear
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Far-Field Gain:
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9.5 dBiC (circular)
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10 dBi (linear)
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Beamwidth (3 dB):
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Circular: 13° (XZ), 85° (YZ)
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Vertical: 25° (XZ), 70° (YZ)
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Horizontal: 13° (YZ), 85° (XZ)
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VSWR: 2.0–2.5 typical
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Front-to-Back Ratio: –18 to –20 dB
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Impedance: 50 Ω
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Input Power: Max 3 W
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Anti-Static Protection: Yes, DC grounded
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Antenna Detection: 10 kΩ resistance
Physical & Environmental:
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Dimensions: 1200 x 195 x 10 mm (47.24” x 7.67” x 0.39”)
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Boxed Dimensions: 1380 x 330 x 40 mm
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Weight:
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Net: 2.7 kg / 5.9 lbs
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Gross: 3.8 kg / 8.4 lbs
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Material: Flame-retardant ABS
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Environmental Rating: IP53
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Operating Temp: 0 °C to +50 °C
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Storage Temp: –30 °C to +60 °C
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Connector: SMA female fly lead (195 cable, 298 mm length)
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Payload Capacity:
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Point load: 100 psi (7 kg/cm²)
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Distributed load: Max 500 kg (1100 lbs)
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Benefits
Optimized for applications where overhead or side-mounted antennas are not feasible, the A5531 delivers strong read performance at floor level—ideal for entrances, walkways, and production zones.
Choose from circular, vertical, or horizontal linear polarization to match the orientation of your tags and environment, ensuring consistent, accurate tag detection in every application.
With an ultra-slim 10 mm profile and rugged ABS housing, the A5531 withstands heavy foot traffic, carts, trolleys, and even moderate vehicle loads—perfect for industrial and event environments.
Related Products
The ID CPR40.30-A is a versatile desktop reader designed for contactless data exchange with common transponders according to ISO14443-A and ISO14443-B, as well as NFC devices according to ISO 18092. It is ideal for various desktop applications such as eTicketing, eDocument, loyalty cards, and public transport. With its “SoftCrypto” and “SAMCrypto high level” functions, it provides a comfortable and fast interface for accessing encrypted data of mifare DESFire EV1, mifare PLUS, and mifare Ultralight C.
- Dimensions (w x h x d): 144 mm x 84 mm x 18 mm
- Weight: approx. 260 g
- Housing: Plastic (ASA) / Acrylic glass
- Color: white / black
- Protection class: IP42
- RFID Interface: ISO 14443-A/-B (106 – 848 kBit/s)
- Operating frequency: 13.56 MHz
- Transmitting power: 100 mW
- MTBF: 500,000 h
- Supply voltage: 5 V DC ± 10 % ripple
- Current consumption: max. 140 mA
- Antenna: integrated
- Interface: RS232 (4,800 up to 230,400 Baud)
- Indicators, optical: 2 LED (green / blue)
- Contact interface: ISO 7816
- Operation modes: Polling-Mode, Scan-Mode
- Supported transponders: mifare classic, mifare UltraLight, mifare DESFire, mifare PLUS, mifare UltraLight C, my-d move, JewelTM, FeliCa, NTAG, mifare/NTAG Ev2 Crypto, NFC Devices in Card Emulation Mode (Tag Type 1 … 4)
- Software Development Kits: Windows (C++, .NET, Java), LINUX (C++, Java), Raspberry Pi
- USB driver, PC/SC driver: Windows Server 2012 and 2016, Windows 7, 8 and 10; 32 / 64 Bit
- Temperature range:
- Operation:-20 degree C up to +60 degree C
2. Storage:-40degree C up to +85 degree C - Relative air humidity: max. 95% (non-condensing)
- Standard conformity:
- Radio license: Europe – EN 300 330
2. EMC: EN 301 489
3. Safety & Health: EN 60950, EN 50364
4. Environment: RoHS-2002/95/EC, WEEE-2002/96/EC - Order descriptions: ID CPR40.30-A – Desktop Reader RS232
- Scope of delivery: ID CPR40.30-A, 2.5 m cable (permanently mounted) for power supply (5.5 mm coaxial connector) and interface (9-pin D-Sub connector), Installation manual
The ID ANT.U280/210 is a versatile UHF flat-panel antenna, engineered for peak performance in compact spaces. With a height of just 8mm, this ultra-flat antenna delivers a robust reading range of up to 4 meters, making it ideal for Smart Shelf applications and environments with limited installation space. Its circular polarization ensures optimal performance, while integrated mounting holes allow for easy installation on any flat surface. The ID ANT.U280/210 is constructed from durable, fire-retardant ABS material and features an IP54 protection rating, ensuring reliable operation in various industrial, production, and retail environments. Compatible with several FEIG UHF readers, this antenna is designed to meet the demanding requirements of modern RFID applications.
- Dimensions: 275 mm x 214 mm x 8 mm
- Weight: 500 g
- Housing: ABS, fire-retardant
- Color: Black
- Protection Class: IP54
- Gain: Approx. 5 dBic
- 3 dB Beam Width: 60 x 80
- Polarization: Circular (RHCP)
- Antenna Connector: SMA (female)
- Operating Frequencies:
- EU Variant: 865 MHz – 868 MHz
- FCC Variant: 902 MHz – 928 MHz
- Temperature Range:
- Operation:-20 degree C to +55 degree C
- Storage:-30 degree C to +65 degree C
- Compatibility:
- ID LRU500i UHF Long Range Reader (with cable type B)
- ID MAX.U500i
- ID LRU1002 UHF Long Range Reader (with cable type A)
- ID LRU3000/ID LRU3500
- ID MAX.U1002
- ID MRU102 UHF Mid Range Reader (with cable type A)
- ID MRMU102 UHF Mid Range Reader Module (with cable type A)
- Accessories:
- ID ANT.C2-A UHF antenna cable SMA / SMA 2 m
- ID ANT.C2-B UHF antenna cable SMA / TNC 2 m
- ID ANT.C6-A UHF antenna cable SMA / SMA 6 m
- ID ANT.C6-B UHF antenna cable SMA / TNC 6 m
The ID ANT800/600-DA HF Loop Antenna is a versatile and high-performance antenna designed for use with HF readers. With a read range of up to 100 cm and a transmitting power of 8 W, this antenna is capable of delivering reliable and efficient RFID communication. Its easy setup, integrated dynamic antenna tuner, and IP65 protection class make it suitable for various applications.
- Dimensions: 852 mm x 620 mm x 40 mm
- Weight: approximately 2.5 kg
- Housing: Plastic ABS
- Color: Black
- Protection class: IP65
- Operating temperature range: -25 degree C up to +55 degree C
- Storage temperature range: -25 degree C up to +60 degree C
- Relative air humidity: 5% up to 95% (not condensing)
- Operating frequency: 13.56 MHz
- Max. transmitting power: 8 W
- Permitted transmitting power:
- EU (EN 300 330): 4 W
- USA (FCC Part 15): 2 W
- Canada (RSS-210): 2 W
- Read range: up to 100 cm*
- Antenna connection: 1 x SMA plug (50 ohm)
- Antenna connection cable: RG58, 50 ohm, approximately 3.6 m
The ID ANT.U290/290 and ID ANT.U580/290 are robust UHF RFID antennas designed for optimized reading performance. With circular polarization, these antennas allow for the identification of transponders in different orientations, enabling 3-dimensional identification in gate applications. They are suitable for both indoor and outdoor use, with a high protection class IP67 rating. These antennas have a modern and elegant design, and they are available in different dimensions and colors. They have TNC connectors and VESA connection for easy installation. The ID ANT.U580/290 has a 30° beam width, making it particularly suitable for vehicle identification and Free Flow Tolling systems.
- Dimensions (ID ANT.U290/290): 288 mm x 288 mm x 65 mm
- Dimensions (ID ANT.U580/290): 576 mm x 288 mm x 80 mm
- Housing: PC / Aluminium
- Color: Anthracite, translucent
- Weight (ID ANT.U290/290): 1,550 g
- Weight (ID ANT.U580/290): 3,850 g
- Protection class: IP67
- Gain (ID ANT.U290/290): Approx. 9 dBic
- Gain (ID ANT.U580/290): Approx. 11 dBic
- 3 dB beam width (ID ANT.U290/290): 65 x 65
- 3 dB beam width (ID ANT.U580/290): 30 x 65
- Polarization: Circular
- Antenna connection: TNC socket (50 ohm)
- Temperature range (ID ANT.U290/290): -25 degree C up to +55 degree C
- Temperature range (ID ANT.U580/290): Not specified
- Storage temperature range (ID ANT.U290/290): -25 degree C up to +80 degree C
- Tolerances: ±0.5 mm
The Dynamic Antenna Tuner ID DAT is a versatile device designed for automatic tuning and retuning of RFID Long Range Antennas operating at 13.56 MHz. With its easy “Plug & Play” functionality, it eliminates the need for additional tuning devices. The tuner can be driven via HF connection and allows for parameters or calibration status to be sent to the host. It also features an electronic switch to disconnect the antenna circuit when necessary.
- Dimensions: 118 mm x 90 mm x 19 mm
- Weight: approximately 100 g
- Operating frequency: 13.56 MHz
- Supply voltage: 7 – 12 V DC
- Current consumption: maximum 150 mA (DC)
- Transmitting power: maximum 10 W
- Antenna switch: electronic switch (mind maximum antenna power!)
- Antenna connection: cable terminals (d = 2 – 9 mm)
- Reader connection: SMA socket (50 ohm)
- Triggering reader: via RF connection
- Signal indicator: 1 x “Run”-LED (green), 2 x “Protocol”-LED (red)
- Outputs: 3 x open collector: 5 V DC / maximum 15 mA
- Carrier frequency: 13.56 MHz
- Impedance: 50 ohm
- Tuning range inductivity: 0.7 – 2.5 microH
- Quality: 10 – 50
- Temperature range:
- Operation: -25 degree C up to +75 degree C
- Storage: -40 degree C up to +85 degree C
The UHF Antenna Multiplexer from FEIG is a versatile solution for connecting and controlling multiple antennas with a single reader. It allows for easy installation and communication via the antenna cable, eliminating the need for additional control lines. With a high switching speed and the ability to cascade up to three levels, this multiplexer is ideal for applications that require many small reading points in a confined space, such as smart shelves and logistics systems.
- Dimensions: 85 mm x 145 mm x 27 mm
- Weight: 170 g
- Housing: Plastic ABS
- Color: Black, transparent
- Protection class: IP30
- Operating frequency: 860 MHz to 960 MHz
- Supply voltage: 12 V DC to 24 V DC ±10%
- Power consumption: Max. 200 mA
- Insertion loss: Max. 2.2 dB
- Isolation: Min. 28 dB
- Input power: Max. 4 W
- RF-Connector: 1x Reader input (SMA-Female), 8x Antenna output (SMA-Female)
- DC-Coupling: -7 V / 150 mA, -12 V DC to 24 V DC / 150 mA
- Indicator, optical: 4 LEDs (Diagnostic, operating state), 8 LEDs (Indication of active antenna output)
- Temperature range: Operation: -25 degree C up to +55 degree C, Storage: -25 degree C up to +85 degree C
- Standard conformity: EMC (EN 301 489-3), Safety & Health (EN 62368-1, EN 50364)


