FEIG – ID ANT.U LOCFIELD® Antenna
The ID ANT.U LOCFIELD® Antenna is a uniquely flexible UHF RFID antenna designed to create customized reading zones. Its innovative cable-based structure allows it to be shaped into virtually any form — straight lines, circles, meanders, or complex patterns — enabling RFID coverage in spaces where traditional antennas are impractical or uneconomical.
With this antenna, users can tailor the reading field to fit shelves, doorways, machinery, or conveyor systems without performance loss. Its ability to perform in metallic and interference-prone environments makes it a reliable solution for industrial automation, retail, logistics, healthcare, aerospace, and automotive applications.
Easy to install and adjust, the ID ANT.U LOCFIELD® antenna provides a cost-effective and scalable RFID solution that simplifies complex system designs.
Specification
Electrical Characteristics
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Impedance: 50 Ω
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Gain: -7 dBi
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VSWR: < 1.8:1
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Beam Angle: Application-specific (depends on layout)
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Polarization: Linear (readable in multiple orientations with proper layout)
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Transmitting Power: +33 dBm (2 W)
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Operating Frequency:
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865–868 MHz (EU)
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902–928 MHz (FCC)
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Connector Type: SMA (male)
Mechanical & Environmental
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Cable Diameter: 2.8 mm or 5.0 mm (depending on variant)
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Operating Temperature: -20 °C to +65 °C
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Reading Range: 1 cm – 150 cm (depending on reader, transponder, and setup)
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Antenna Length Variants:
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0.37 m active / 0.80 m total (2.8 mm)
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1.00 m active / 1.50 m total (2.8 mm)
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2.00 m active / 2.50 m total (2.8 mm)
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2.00 m active / 3.00 m total (5.0 mm)
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Compatible Readers
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ID LRU1002, ID LRU3000, ID LRU3500 (UHF Long Range)
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ID MRU102 (UHF Mid Range)
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ID MRMU102 (UHF Reader Module)
Benefits
Installation and tuning require no special tools or RF engineering skills, making it simple to adjust range and coverage by repositioning or altering the cable layout.
The antenna’s cable design allows full flexibility in shaping reading fields — ideal for embedding RFID into shelves, doors, or machinery layouts.
Performs well even near metallic surfaces or reflective materials with minimal interference and consistent read stability.
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 CPR30+ Desktop Reader is a proximity reader designed for contactless data exchange with ISO 15693 and ISO 14443-A/-B compliant transponders. It is compact, reliable, and compatible with NFC applications. With its NFC High Power Mode, it offers enhanced reading ranges and improved reliability, making it ideal for use in offices, workstations, or at the point of sale. The reader is form, fit, and function compatible with ID CPR30 and is qualified according to Zhaga Book 24, commonly used in the lighting industry. It is powered and connected to a computer or other equipment via the USB interface.
- Dimensions: 144 mm x 84 mm x 18 mm
- Weight: approximately 105 g
- Housing: Plastic (ASA) / Acrylic glass
- Color: white / black
- Protection class: IP42
- Operating frequency: 13.56 MHz
- Transmitting power: 100 mW / 300 mW
- Supply voltage: 5 V, USB Bus powered
- Current consumption: max. 150 mA / 220 mA
- Antenna: integrated
- Interface: USB Full-Speed (12 MBit/s)
- Indicators, optical: 2 LED (green / orange)
- Indicators, acoustic: Buzzer, integrated
- Supported transponders: ISO 15693, ISO 14443-A*/, ISO 14443-B
- Operation mode: Polling-Mode
- USB driver: Windows Server 2016 and 2019, Windows 10 and 11; 32 / 64 Bit
- Temperature range:
- Operation: -20 degree C up to +60 degree C
- Storage: -40 degree C up to +85 degree C
- Relative air humidity: max. 95% (non-condensing)
The ID ANT40/30 and ID ANT100/100 are HF antennas designed for RFID proximity readers. They have an impedance of 50 ohm and operate at a frequency of 13.56 MHz. The antennas have a maximum transmitting power of 1 W and a data transfer rate of up to 424 kbits/s. The ID ANT100/100 has a reading distance of up to 14 cm. These antennas are suitable for applications such as eTicketing, eMobility, and Closed Loop Payment.
- Dimensions: ID ANT40/30 – 40 mm x 30 mm, ID ANT100/100 – 100 mm x 100 mm
- Interface: 2-pin connector or U.FL connector option
- Operating frequency: 13.56 MHz
- Impedance: 50 ohm
- Max. transmitting power: 1 W
- Max. reading distance: ID ANT40/30 – up to 7 cm, ID ANT100/100 – up to 14 cm
- Data transfer rate: ID ANT40/30 – up to 424 kbit/s, ID ANT100/100 – up to 212 kbit/s
- Power supply: Unneeded
- Temperature range: Operation -25 degree C up to +70 degree C, Storage -40degree C up to +85 degree C
- Relative air humidity: 0% up to 95% (non-condensing)
The ID MAT Manual Antenna Tuner is a versatile and reliable device designed for manual tuning and retuning of HF Long Range Antennas operating at a frequency of 13.56 MHz. It allows for easy construction of customized single antennas using different sizes and shapes of antenna conductors such as aluminium bands or copper pipes. With individually switchable capacitors, the antenna can be tuned to its environment, ensuring optimal performance. The ID MAT.S-A variant also features an electronic switch to disconnect the antenna circuit, preventing coupling effects in complex antenna arrangements.
- Dimensions (w x h x d):
- ID MAT-B: 90 mm x 45 mm x 17 mm
2. ID MAT.S-A: 90 mm x 45 mm x 19 mm - Weight: approximately 35 g
- Operating frequency: 13.56 MHz
- Antenna conductor: Double-sided solder surface with hole for screw attachment (M3)
- Transmitting power: maximum 8 W
- Reader connection: SMA HF socket RG58
- Impedance: 50 ohm
- Tuning range inductivity: 0.6 – 2.3 microH
- Quality: 10 – 50
- Temperature range:
- Operation: -25 degree C up to +55 degree C
- Storage: -25 degree C up to +60 degree C
- Standard conformity:
- Vibration: EN 60068-2-6, 10 Hz to 150 Hz: 0.075 mm / 1 g
2. Shock: EN 60068-2-27, Acceleration: 30 g
The 4 Channel Antenna Multiplexer (ID CPR.ANT.MUX-M4) is a device that allows the connection of up to 4 external antennas to the reader module ID CPR74. With this multiplexer, it is possible to create up to 5 reading areas by utilizing the internal antenna of the ID CPR74. The control of each active antenna can be easily configured through the CPR74 or via two digital inputs with external control electronics. The multiplexer features non-wearing electronic switching of the outputs and has a high switching speed of less than 1 ms.
- Weight: 12 g
- MTBF (Mean Time Between Failures): 500,000 hours
- Power supply: +5 V DC ± 5%
- Current consumption: Less than 40 mA
- Digital inputs: Low level: 0 -0 V, High level: 3.8 V – VCC, Pull-Down: 10 kohm
- LED: 4 yellow LEDs for indicating active antennas
- Operating frequency: 13.56 MHz
- RF power: Maximum 500 mW
- Reader connection: U.FL connector
- Antenna connection: 4 x U.FL connectors for external antennas
- Temperature range: Operation: -25 degree C up to +70 degree C, Storage: -40degree C up to +85 degree C
- Relative air humidity: Maximum 95% (non-condensing)
- Standard conformity: EMC: EN 301 489, Safety & Health: EN 62368-1, EN 50364, Environment: WEEE-2002/96/EC, RoHS-2011/65/EC
The ID ANT.MUX.M4 is a 4 channel Multiplexer Module designed for switching between RFID antennas operating at a frequency of 13.56 MHz. It allows multiple single antennas and gate solutions to be operated with just one reader. The Multiplexer is controlled via the antenna cable connected to the reader, making installation easy and hassle-free. With non-wearing electronic switches and high switching speed, this Multiplexer ensures efficient and reliable communication between the reader and antennas.
- Dimensions: 137 mm x 77 mm x 15 mm
- Weight: approximately 80 g
- Operating frequency: 13.56 MHz
- 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: 1x input (SMA jack), 4x output (SMA jack)
- RF switches: electronic switches (non-wearing) with switching speed < 1 ms
- Triggering reader: communication via RF input 1
- Signal indicator: 1 x LED per channel, 3 x LED (Run / HF / Communication)
- Temperature range: Operation: -25 degree C to +65 degree C (-13 F to +149 F), Storage: -40 degree C to +80 degree C (-40 F to +176 F)
- 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)