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Ciholas DWETH111
User Manual
April 2017
rev: 1.0.0
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Table of Contents
Introduction...........................................................................................................................................3
Regulatory Information.........................................................................................................................4
Usage Instructions.................................................................................................................................5
Overview...........................................................................................................................................5
Placement..........................................................................................................................................5
Product Specifications...........................................................................................................................6
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Introduction
The Ciholas DWETH111 is an Ethernet device that relies on ultra-wideband (UWB) pulses
and time-stamp information to capture real-time location and sensor data. The DWETH111
can receive UWB pulses from objects of interest and transmit time-sync data in real time. The
DWETH111 is positioned around an area in which tracking and data collection are desired.
The DWETH111s are small and easily movable allowing for quick setup and tear-down before
and after use. This makes the Ciholas DWETH111s an ideal solution for fast and accurate
real-time tracking.
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Regulatory Information
FCC Notice (For US Customers):
FCC ID: 2ALIR-DWETH111
Model: DWETH111
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may
cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/television technician to help.
Changes and modifications not expressly approved by Ciholas, Inc. can void your authority to
operate this equipment under Federal Communications Commissions rules.
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Usage Instructions
Overview
The DWETH111 receives real-time UWB beacons from tags attached to an object of interest.
These beacons are used to calculate the real-time location. The DWETH111 is capable of
receiving real-time data from UWB tags or interfacing with other DWETH111s placed around
the tracking area in order to calculate real-time position and collect sensor data. The
DWETH111 is a standard Ethernet device and is powered via Power over Ethernet.
Placement
The DWETH111 devices should be distributed throughout the desired tracking area. To
achieve a higher precision of position tracking within an area a higher density of DWETH111s
can be used.
Example Mounting:
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Product Specifications
Main System Components
Micro-controller: 32-bit ARM Cortex-M7 RISC processor with FPU
RF Transceiver: Decawave DW1000 Ultra Wideband (UWB) IEEE802.15.4-2011
Sensors: Inertial, Temp/Humidity, Barometric Pressure
I/O: 10/100Mbps Ethernet PHY Transceiver
Indicators: 4 Tri-Color LEDs (Red, Green, Blue)
Power: 5-60V DC, supports Power over Ethernet (POE)
Operating Voltage: 3.3V
Temperature Range: -40 - 85C
Mechanical
Width: 5.0"
Depth: 5.0"
Height: 2.2"
Weight: 0.51 lbs
RF Characteristics
UWB IEEE802.15.4-2011
Channel: 5
Bandwidth (Values in GHz):
fM The highest emission peak 6.7388
fL 10 dB below the highest peak 6.1414
fH 10 dB above the highest peak 6.8347
Bandwidth Calculated: (fH - fL) 0.6933
Data Rate: 6.81Mbps
Antenna: 0 dBi Omnidirectional
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