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Alien ALR-F3700 Hydra RFID Reader

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  • Alien ALR-F3700 Hydra RFID Reader | ALR-F3720-USA-S-RDR-ONLY / ALR-F3720-USA-V-RDR-ONLY
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 Product Description

Alien ALR-F3700 Hydra RFID Reader

The ALR-F3700 Hydra RFID Reader is a novel UHF Passive RFID Reader solution designed to lower RFID implementation and running costs while enabling the realization quality read zones. Hydra readers combine a full-power 30dBm UHF reader, 8dBic antenna, a patent pending “Hydra” power, and data router technology. Each ALR-F3700 Hydra RFID Reader has two PoE ports allowing them to be daisy chained together into a “string” of reading points by simply connecting the PoE cable from one Hydra reader to the PoE port of the next reader. This enables very simple low-cost connectivity and minimal cabling costs.

Data Sheet  Alien ALR-F3700 Hydra RFID Reader


What's included?

  • ALR-F3700 Hydra RFID Reader unit
  • NoteDC Power Supply NOT included

Why buy this reader?

The ALR-F3700 Hydra RFID Reader supports complex network typologies for applications where additional PoE power is needed. The complex network typologies can be used to build in more robustness. 


  • 30dBm EPC gen 2 class 1 UHF passive RFID reader.
  • 8dBic slimline antenna.
  • Built-in multiple-PoE switch to network readers together.
  • “Hydra” power and data routing.
  • Low-Cost reader installation and management.
  • Works seamlessly with the ALR-F800-X with emissary.
  • Common applications: warehouse, dock doors , work in Progress, retail, and commissioning station.


Air Interface Protocol:
GS1/EPC global UHF Gen2 (ISO 18000-6C)
Operating Frequency:
FCC (902-928 MHz)
Transmit Power:
30 dBm
Max Receive Sensitivity:
30 dBm
Max Read Distance:
Approximately 9 m (30 ft)
Max Read Rate:
Not Published
Data Interface:
PoE+ and Proprietary software protocol
Power Source:
Power over Ethernet (PoE) IEEE 802.3at
Antenna Ports:
250 x 250 x 21 mm (9.85 x 9.85 x 0.55 in)
0.75 kg (1.6 lbs)
IP Rating:
IP 53
Operating Temperature:
-20° to +55°C (-4° to +131°F)
Host API:
C, C++, .Net libraries
Demo Software:
Not published

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