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:
-
Frequency Range: 864–868 MHz (ETSI) / 902–928 MHz (FCC)
-
Polarization Options:
-
A5531C: Right-Hand Circular
-
A5531V: Vertical Linear
-
A5531H: Horizontal Linear
-
-
Far-Field Gain:
-
9.5 dBiC (circular)
-
10 dBi (linear)
-
-
Beamwidth (3 dB):
-
Circular: 13° (XZ), 85° (YZ)
-
Vertical: 25° (XZ), 70° (YZ)
-
Horizontal: 13° (YZ), 85° (XZ)
-
-
VSWR: 2.0–2.5 typical
-
Front-to-Back Ratio: –18 to –20 dB
-
Impedance: 50 Ω
-
Input Power: Max 3 W
-
Anti-Static Protection: Yes, DC grounded
-
Antenna Detection: 10 kΩ resistance
Physical & Environmental:
-
Dimensions: 1200 x 195 x 10 mm (47.24” x 7.67” x 0.39”)
-
Boxed Dimensions: 1380 x 330 x 40 mm
-
Weight:
-
Net: 2.7 kg / 5.9 lbs
-
Gross: 3.8 kg / 8.4 lbs
-
-
Material: Flame-retardant ABS
-
Environmental Rating: IP53
-
Operating Temp: 0 °C to +50 °C
-
Storage Temp: –30 °C to +60 °C
-
Connector: SMA female fly lead (195 cable, 298 mm length)
-
Payload Capacity:
-
Point load: 100 psi (7 kg/cm²)
-
Distributed load: Max 500 kg (1100 lbs)
-
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 SPAD.U is a shielded UHF desktop reader with integrated antennas, designed for contactless data exchange with UHF transponders. With its flat and modern design, it offers maximum reliability and excellent reading performance. It is suitable for various markets, including laundries, libraries, and retail, and can be used for applications such as laundry logistics, library item tracking, and file/document tracking.
- Dimensions: 376 mm x 276 mm x 26.8 mm
- Weight: approximately 2.0 kg
- Housing: Upper part – Plastic ABS, Cover plate – Acrylic glass (PMMA XT), Lower part – Galvanized metal sheet
- Protection class: IP30
- Power supply: 12 to 24 V DC ±15%
- Power consumption: max. 7 VA
- Operating frequency: 865 MHz to 868 MHz
- Transmitting power: 50 mW to 500 mW, configurable in up to 8 steps
- Interface: USB
- Reader modes: ISO Host Mode, Buffered Read Mode, Scan Mode
- Supported transponders: EPC Class1 Gen2, ISO 18000-6-C (optional)
- Indicators: LED green, red, orange (mixed color), Buzzer
- Temperature range: Operation -25 degree C to +55 degree C, Storage -25 degree C to +70 degree C
- Relative humidity: 5% to 95% (non-condensing)
- Radio approval: Europe – EN 302 208, EMC – EN 301 489
- Safety: Low Voltage – EN 62368-1, Human Exposure – EN 50364
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 UHF near-field antenna ID ANT.U82/82 is a compact and high-performance antenna that is ideal for use in enclosed spaces. With its small form factor and defined near-field reading area, it can be installed almost anywhere. It operates in a wide frequency range of 864-928 MHz, making it suitable for worldwide use.
- Dimensions: 82 mm x 82 mm x 9.5 mm
- Weight: approximately 50 g
- Housing: ABS material
- Color: anthracite
- Max. input power: 1 W
- Antenna connector: SMA (female)
- Anti-static Protection/Antenna Detection: 60 Ohm DC Resistance (typical)
- Operating frequencies: 864 MHz up to 928 MHz
- Temperature range:
- Operation: 0degree C up to +50degree C
- Storage:-30degree C up to +60degree C
The ID ANT340 / 240 HF Pad Antenna is an elegantly designed, high-performance antenna for contactless data exchange with HF transponders. Ideal for office and library applications, it provides up to a 30 cm read range for seamless file and document tracking. The antenna is built with a sleek, flat profile, making it a versatile choice for desktop use. It comes equipped with a 230 cm coaxial cable and SMA plug, ensuring easy integration with compatible readers. Available in both plastic housing and module form, this antenna offers flexibility for various applications in secure, contactless communication systems.
- Dimensions: 337 mm x 237 mm x 8 mm
- Weight: 530 g
- Material: Plastic ABS housing
- Color: Grey-white
- Protection Class: IP40
- Operating Frequency: 13.56 MHz
- Maximum Transmitting Power:2 W
- Antenna Connection: 1 x SMA plug (50 ohm)
- Cable Length: 230 cm RG58 coaxial cable
- Operating Temperature: 0degree C to +55degree C
- Storage Temperature: -25degree C to +85degree C
- Humidity Range: 5% to 95% (non-condensing)
- Compliance: EMC EN 301 489, Safety EN 62368-1, EN 50364
The ID ANT.MUX/ ID ANT.MUX.M8is an HF 8 channel Multiplexer that allows for the operation of up to 8 antennas with just one reader. It facilitates communication between the reader and the multiplexer via an antenna cable. The outputs of the multiplexer can be controlled by the reader, a host, or digital inputs. It features non-wearing electronic switching of the outputs and has a high switching rate of less than 1 ms. The multiplexer is available in a housing or as a module, with options for 8 channel or 4 channel configurations.
- Dimensions (w x h x d): 182 x 110 x 90 mm
- Weight: approximately 550 g
- Housing: Plastic ASA, with screwed plexiglas lid
- Protection class: IP65
- Operating frequency: 13.56 MHz
- Grommet: 12 x screwed cable gland M16 x 5
- Supply voltage: 12 – 24 V DC
- Power consumption: maximum 4.0 W
- Attenuation per channel: maximum 0.5 dB
- Max. perm. switching power: 8 W
- RF connections: 2x input (SMA jack), 8x output (SMA jack)
- RF switch: electronic switch with switching speed less than 1 ms
- Triggering: Reader via RF input 1, external pulse generator via digital input
- Digital inputs: 1x optocoupler (max. 24 V DC / 20 mA)
- Signal indicators: 1 x LED per channel, 3 x LED (Run / HF / Communication)
- Temperature range: Operation: -25 degree C up to +65 degree C, Storage: -40 degree C up to +80 degree C
- Standard conformity: EMC (EN 61000-6-3, EN 61000-6-2), Vibration (EN 60068-2-6, 10 Hz to 150 Hz: 0.075 mm / 1 g), Shock (EN 60068-2-27, Acceleration: 30 g)
The AT288N by ATID offers unparalleled efficiency in RFID data collection. With its advanced technology, this handheld reader empowers businesses to streamline their inventory management, asset tracking, and supply chain operations with precision and speed. Its ergonomic design ensures comfortable usage, while its robust build guarantees durability in various environments.
Elevate your RFID data collection capabilities with the AT288N by ATID. Engineered to excel in efficiency, this handheld reader revolutionizes inventory management, asset tracking, and supply chain operations. Its cutting-edge technology empowers businesses to capture data with unprecedented speed and accuracy, enhancing overall productivity and decision-making. Designed for user comfort and durability, the AT288N ensures seamless integration into diverse workflows, making it the ultimate solution for optimizing operational efficiency and gaining actionable insights.
- Supported protocols: UHF EPC Gen2, ISO / IEC 18000-6C, 6B, AEI (Rail)
- Connectivity: BT V2.1 + EDR / BLE V4.1
- Compatibility: Windows, Android & iOS Host
- Design: Compact & Handy design
- Drop: spec: 5m (5ft)
- IP65
- Reading Range: ~3M (According to Tag & Environment).
- Battery Life: a 3.7V 2,200mAh Lithium-Ion Battery (Rechargeable).
- Operating Temperature: -10degree C to 45degree C.
- Dimensions: 165mm x 75mm x 29mm
- Weight: 320 grams


