Positioning Bluelab Connect Devices
Information sheet
V01-20012014
Networking overview
Bluelab Connect forms a wireless network between your computer and all of the devices in your system. These
devices are constantly in communication with the computer via the Bluelab Connect Stick, but they have only a
limited range over which this is possible.
Pg 1 of 2
Data can be passed from one
device to another to create a
chain to expand the range of the
network. This allows a virtually
unlimited communication
distance, as long as there is an
unbroken chain from one end to
the other.
If the distance between two devices is too far for a wireless link to be formed, a Bluelab Connect Range
Extender can be placed between them. This effectively doubles communication distance. If required
multiple Range Extenders can be placed in a chain.
Data log to
computer with
Connect Stick
Maximising Range
The communication distance is heavily dependent on the environment between the transmitter and receiver. Transmission is
most effective with a clear, unobstructed line of sight between the two points. However, a radio frequency (RF) line of sight is
different from a visual one, in that it requires a football shaped area of free space between the transmitter and receiver (called
the “Fresnel zone”), rather than just a straight line.
If the communicating devices are mounted close to the ground (less than one foot), over half of the Fresnel zone can be
obstructed by the earth, which results in a signifi cant reduction in communication distance achieved. To avoid this problem the
communicating devices should be mounted high enough off of the ground (6 feet being optimum) to avoid the earth interfering
with the central diameter of the Fresnel zone.
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