Vayyar Imaging VHOME User Manual

Walabot (VHOME) Environment Sensor
User Manual

Model:

VS21CBT

Draft version for FCC and CE evaluation

August 2018

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Contents

Introduction .................................................................................................................................................. 3

Features ........................................................................................................................................................ 3

VHOME model........................................................................................................................................... 3

Regulatory domains .................................................................................................................................. 4

Technology .................................................................................................................................................... 4

Block Diagram ........................................................................................................................................... 4

Interfaces ...................................................................................................................................................... 5

USB Interface and Powering Options ........................................................................................................ 5

Software Installation ..................................................................................................................................... 6

Mechanical placement .................................................................................................................................. 6

Safety ............................................................................................................................................................ 6

Legal Information .......................................................................................................................................... 6

Disclaimers ................................................................................................................................................ 6

Trademarks and patents ........................................................................................................................... 6

Regulatory Information ................................................................................................................................. 6

Regulatory Conformance .......................................................................................................................... 6

FCC regulatory statements ....................................................................................................................... 7

FCC ID Labels ............................................................................................................................................. 7

Instructions for the Integrator .................................................................................................................. 8

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Introduction

Capability \ Model

VS21CBT

Number of antennas

21

Board size

129 mm * 159 mm

External powering option

No

Antenna Type

Slot Embedded

Frequency ranges

6.2-8.4GHz

Power supply

USB, 4.5-5.5V

Walabot is a programmable 3D sensor that looks around using radio frequency technology that breaks
through known barriers, bringing highly sophisticated sensing capabilities to your fingertips. The Walabot
family of products is based on VSENSE/VMAKER family of sensor modules. The VHOME family expands
the capabilities of the previous VMAKER family, primarily for larger-area indoor coverage and higher
angular resolution, and specifically useful for smart-home applications.

The devices under VHOME family are UWB modules to be used with an external host, or to be
incorporated together with a host in a full device, serving as the sensing product.

Features

Three-dimensional radio-frequency based sensor, based on VAYYR2401-A3 System-on-Chip for signal
generation and recording. A MIMO array of linearly-polarized broadband antennas is used to obtain high­resolution image.

The device is operated by a stand-alone host (PC, Smartphone, or other proprietary host), through a USB­2 interface. The power is supplied either by the USB interface, or by an external power supply.

VHOME model

See the table below for details on the model.

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VS21CBT:

Data

acquisition

RFIC

Host device

Environment
to be sensed

USB

VHOME

Regulatory domains

VHOME models have been manufactured in accordance with the regulatory domains in which they are to
be operated. Currently, single model is designed to support both FCC (for operation in the US) and CE (for
operation in EU and other countries using CE certification). If in doubt, consult your local experts before
ordering.

The VS21CBT model is restricted to 6.2-8.4GHz band, supporting both the FCC and CE permitted frequency
bands.

Technology

The VHOME product are multi-antenna sensors that characterize the environment in the vicinity of the
sensor. It is done by collecting and analyzing propagation information between the antennas, which is
affected by the environment. The propagation response information is collected by VHOME and
processed at the hosting device to obtain spatial information about the environment.

Block Diagram

The following figure presents a high-level block diagram of the VHOME platform.

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Capability \ Model

VS21CBT

Connector types

μUSB

40-pin BTB connector

Power Supply Connector

μUSB

40-pin BTB connector

Voltage supply

5V +/-10%

Power Consumption

0.4-0.9A

Interfaces

The module main interface is USB for communication and configuration.

USB Interface and Powering Options

The board’s main interfaces are USB 2.0 in high-speed mode (480Mbit) and power supply. Both can be
provided by an onboard micro-USB 2.0 connector, or through a 40-pin connector.

Connector and powering options:

The 40-pin connector supports additional IO pins, serving as GPIO pins, and supporting on-board LED,
button and mics.

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Software Installation

VHOME is to be operated with dedicated SW per model, project, final product and the specific platform
and OS (Windows, Android etc). The relevant SW and instructions will be given per device and project,
separately from this manual.

General SW high-levels:

 The software contains a driver through which the application software communicates with

VHOME device.

 The driver translates the commands into VHOME’s actions.
 Moreover, the driver is in charge of enforcing certain regulatory restrictions.
 The user is required to communicate with the VHOME device only through the driver using the

provided API.

Mechanical placement

The VHOME are provided as bare boards or with an optional mechanical housing and case. The
mounting instructions shall be provided per specific module. In the case that a proprietary case is used,
make sure that the front cover is nonmetallic (e.g. plastic) and preferably thin (not exceeding 2 mm).

Safety

Legal Information

Disclaimers

Trademarks and patents

Regulatory Information

Regulatory Conformance

The VHOME device has been designed to be in compliance with the FCC regulations governing UWB hand-

held systems (Part 15.519) also known as “battery powered devices” or “mobile devices.” This means

that the device can be incorporated in a wide variety of products including educational robots, pipe
locators, breathing monitors, etc. Note that there are other applications which are specifically forbidden,
such as use of the devices in toys. See FCC Parts 15.519 and 15.521 for more details.

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Certain models of the VHOME device have been designed and tested to be in compliance with CE
requirements, and in particular to conform to ETSI standards EN 302 065-1, EN 301 489-33 and EN 301
489-1. In particular, the CE compliant devices are restricted to operation in the 6-8.5 GHz band. Make

sure that if you use the device outside US, that you order the appropriate model number.

FCC regulatory statements

This device complies with 47 CFR Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.

The user is cautioned that changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.

This device may not be employed for the operation of toys. Operation onboard an aircraft, a ship or a
satellite is prohibited.

The use of this device mounted on outdoor structures, e.g., on the outside of a building or on a telephone
pole, or any fixed outdoors infrastructure is prohibited.

Moreover, the following statements apply:

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/TV technician for help.

FCC ID Labels

The VHOME products have a FCC ID of 2AHIS-VHOME. The FCC ID marking is found per specific model, in
general on the right front side of the printed circuit board:

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Per device, the FCC ID will appear on the package of the product, or specified in the user-manual.

Please notice that if the FCC identification number is not visible when the module is installed inside
another device, then the outside of the device into which the module is installed must also display a label
referring to the enclosed module. This exterior label can use wording such as the following: “Contains
FCC ID: 2AHIS-VHOME”

Instructions for the Integrator

The OEM integrator is responsible for ensuring that the end-user has no manual instruction to remove
or install module.

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