FlexiRay SFR4

Improved model with outstanding technical features.

SFR4 Characteristics

Modular slim rugged antenna FlexiRay with high-quality design enables creation of RFID reading zones in entrances, exits, corridors, doors and gates / no matter if indoor or outdoor due to IP65 protection.

  • Esthetic design suitable for indoor / outdoor RFID applications
  • Rugged enclosure IP65 for industrial and logistic projects
  • Low profile and modular antenna length
  • Easy and flexible mounting capabilities
  • VESA standard / mounting accessories
  • Read range up to 10 meters*

Difference between SFR3 and SFR4

  • Higher Gain
  • Improved reading range
  • Homogeneous field along the entire length of antenna
  • No blind spots

Color Finish

Our antennas SFR line is designed to be esthetic and suitable for interiors too. No more industrial look of antenna in interior or retail / office / shops etc. We are able customize surface by 40+ various decors / colors.


Antenna FlexiRay SFR3 provides flexible mounting capability. Industrial standard VESA 75 slot is supporting variety of mounting options:

  • SFR-MA-100 Wall Mount Kit
  • SFR-MA-200 Pole Mounting Kit
  • SFR-MA-300 Universal Adjustable +/-30° Mount Kit Wall / Pole


Antennas are equipped with RP-TNC connector optionally with SMA connector. Using EIRP 1 W (maximum is 4 W in FCC band) it can achieve reading distance up to 10 meters.*

*Tested in open-air environmental Alien / Impinj reader 30 dBm, 4m cable, Alien Squiggle H3 tag

Technical specification

Antenna Model SFR-42XX SFR-44XX
Frequency Range 866 – 868 MHz (ETSI)  902 – 928MHz (FCC)
Polarization circular RHCP
Gain 5,5 dBi (8,5 dBic) 7,5 dBi (10,5 dBic)
Impedance 50 Ohms
Max. Input Power 10 W
Connector RP-TNC / SMA connector
VSWR – ETSI < 1,3 : 1 < 1,3 : 1
VSWR – FCC <1,5 :1 <1,5 :1
(909-926 MHz) (907-924 MHz)
Dimensions (mm/inch)
Length 530 mm / 20,87″ 1030 mm / 40,55″
Width 140 mm / 5,51″ 140 mm / 5,51″
Height (without connector) 14 mm / 0,55″ 14 mm / 0,55″
Weight (kg/lb) 1,2 kg / 2,65 lbs 2,5 kg / 5,5 lbs
Protection Class IP65
Operating Temperature -25°C / 60°C
Ordering Code
ETSI (865 – 868 MHz), RP-TNC SFR-4200 SFR-4400
ETSI (865 – 868 MHz), SMA (F) SFR-4210 SFR-4410
FCC (902 – 928 MHz), RP-TNC SFR-4201 SFR-4401
FCC (902 – 928 MHz), SMA (F) SFR-4211 SFR-4411

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