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.
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- Weight: approximately 105 g
- Housing: Plastic (ASA) / Acrylic glass
- Color: white / black
- Protection class: IP42
- Operating frequency: 125 kHz
- MTBF: 500,000 h
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- Current consumption: max. 140 mA
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- Interface: USB Full-Speed (12 MBit/s)
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- USB CDC device driver: Windows 2000 SP4, Windows Server 2003, Windows XP SP2, Vista 32 Bit
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- Relative air humidity: 0% up to 95% (non-condensing)
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- Impedance: 50 ohm
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