Spec Sheet
Draft - Subject to Change
ALR-F3700 “Hydra” Series
Interconnected Reader/Antenna Combination
F800-X or Server
Additional power (and data) injected into the string to
enable longer string.
• Injecting more power into the string
• Provides data/network robustness
Hydra Hydra HydraHydra Hydra Hydra HydraHydra Hydra
PoE Switch
A Network of Hydra Readers Confi gured for Data and Power Robustness or Power Injection into the Chain
Two Hydra Products
Hydra current comes in two varieties.
Feature
Hydra (ALR-3720) aka Hydra-720 Hydra+ (ALR-3733di) aka Hydra-733di
Number of PoE Ports
23
DC Power Input
No Yes
Activity LED
Ye s
Reverse Polarity SMA
None 3
Internal 8 dBic antenna
Ye s
Reader
30dBm UHF Passive reader
GPIO
None Four 3 to 24V inputs; Four 3 to 24V
outputs. 24V DC internally supplied
(even when PoE sourced.
Developers Kit (Currently US Only)
For customers that want to trial with Hydra, Alien offers a Developer Kit that includes one of each Hydra,
an ALR-F800-X with Emissary to control them, an antenna and a 4-port PoE switch to power the whole
network.
Hydra 733di
(Hydra+)
Hydra 720
(Hydra)
A1001
Antenna
ALR-F800-X
DC Power to PoE
Switch
4-port PoE
Switch
ALX-431 (SMA - RP SMA)
(6m/20ft RF cable)
Ethernet cables
To Personal Computer or
customer equipment