HID Proximity MaxiProx 5375

The HID MaxiProx® Reader is the perfect solution for installations that require long-range reading capabilities and parking control.

This reader combines all the necessary electronics into a single, durable, and visually appealing housing, making it incredibly easy to install. With its exceptional read range, the MaxiProx reader ensures reliable performance in a variety of applications. Whether it’s for managing parking access or other long-range identification needs, the MaxiProx Reader from HID delivers outstanding functionality and convenience. Its rugged construction, attractive design, and effortless installation make it the go-to choice for demanding access control requirements.

Key Features:

  • Long read range distance (up to 6′ with ProxPass).
  • Autotune allows read range to be maintained within four inches of metal.
  • Wiegand, Clock-and-Data and selectable serial outputs available.
  • “Parking hold” feature allows connection to a loop detector to ensure accurate detection of vehicles in parking lanes.
  • Compatible with all HID cards and tags with formats up to 85 bits.
  • Multicolor LED with internal or host control of the LED and beeper.
  • Two MaxiProx units can operate one meter apart for “HI-LO” (truck and car) installations.
  • Reader supervision signal for CASI-RUSCO panels.

Typical Maximum Read Range*:

  • ProxCard II Card – up to 24″ (60.9 cm)
  • ISOProx II Card – up to 20″ (50.8 cm)
  • DuoProx II Card – up to 20″ (50.8 cm)
  • Smart ISOProx II – up to 20″ (50.8 cm)
  • Smart DuoProx II Card – up to 20″ (50.8 cm)
  • HID Proximity MIFARE Card – up to 20″ (50.8 cm)
  • ProxCard®Plus Card – up to 13″ (33 cm)
  • ProxKey II Keyfob – up to 17″ (43.2 cm)
  • Microprox Tag – up to 15″ (38 cm)
  • ProxPass Active Vehicle Tag – up to 6′ (1.8 m)

*Depending on local installation conditions.

11.8″ x 11.8″ x 1.0″ (30.0 x 30.0 x 2.54 cm)

Cable distance:

  • Wiegand interface: 500 feet (152 m)
  • Clock-and-data interface: 50 feet (15 m)
  • RS-232: 50-200 feet (15-61 m)
  • Recommended cable is ALPHA 1295 (22 AWG) 5 conductor minimum stranded with overall shield or equivalent. Additional conductors may be required for LED or beeper control.
  • RS-422 and RS-485: 4000 feet (1219 m)
  • Recommended cable is ALPHA 1297.

Power supply:

  • Configurable 12 or 24 VDC
  • Linear power supplies are recommended.

Current requirements:

  • DC Current at 12V: Avg. 200mA, Peak 700mA
  • DC Current at 24V: Avg. 260mA, Peak 1.2A

Operating temperature
-22º to 150º F (-30º to 65º C)

Operating humidity
0-95% relative humidity non-condensing

51 oz. (1.4 kgm)


  • Canada/UL 294 Listed: Access Control System Units
  • FCC Certification, United States
  • Canada Certification
  • CE Mark, Fifteen EU Countries under the R&TTE
  • Directive (EN60950 – ITE Electrical Safety, EN 300 330 – SRD, and ETS 300 683 – EMC)
  • IEC60950, ITE CB Scheme Electrical Safety
  • Australia C-Tick Mark
  • New Zealand EMC
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