Eastech Electronics ARW51 Digital Wireless Audio Transceiver module User Manual DWAM79 brochure to path

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Document ID	1039084
Application ID	qTWPSWF7eg0itL5KZoPOBg==
Document Description	manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	180.3kB (2253728 bits)
Date Submitted	2008-12-03 00:00:00
Date Available	2009-06-01 00:00:00
Creation Date	2007-04-23 14:50:01
Producing Software	Acrobat Distiller 7.0.5 (Windows)
Document Lastmod	2008-12-03 10:46:55
Document Title	DWAM79 brochure to path
Document Creator	PScript5.dll Version 5.2
Document Author:	edmond.ting

DWAM80 Digital Wireless
Audio Module
The module integrates all functionality for a wireless digital audio
connection, comprising;
- Wireless Audio Processor, DARR 80
- 2.4 GHz radio
- Embedded antennas (Inverted F)
- Dual antenna connector
- Digital audio interfaces
- I2C control interface
- 26 pins interface connector (FFC) for power, digital audio and
A unique set of protocols and algorithms provides extreme
wireless robustness, capable of dealing with multiple interference control interface and GPIOs
sources as present in the 2.4GHz band. In addition, a wireless
bi-directional data channel is available
The DWAM80_D2D is an OEM module (42 x 42mm) based on
the STS DARR80. It is an uncompressed wireless digital audio
transceiver operating in the 2.4GHz ISM band. It implements 8
channels with I2S interface or 4 channels with S/PDIF. The
wireless audio link supports up to 4 uncompressed high quality
and low latency stereo audio channels in various network
topologies.
The DWAM80 D2D is used for both Central Unit (CU, transmitter)
and Mobile Unit (MU, receiver). The module is configured either
through the I2C interface, optional EEPROM or microcontroller.
The microcontroller can run application software for more advanced
applications. This yields full application flexibility in terms of data
message transfer, configuration, GPIO management and link control.
Value
Federal Communication Commission Interference Statement
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 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 Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this equipment.
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, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance 20cm between the radiator & your body. This transmitter must not
be co-located or operating in conjunction with any other antenna or transmitter.
This device is intended only for OEM integrators under the following conditions:
1. The antenna must be installed such that 20 cm is maintained between the
antenna and users, and
2. The transmitter module may not be co-located with any other transmitter or
antenna,
IMPORTANT NOTE: In the event that these conditions can not be met (for example
certain laptop configurations or co-location with another transmitter), then the FCC
authorization is no longer considered valid and the FCC ID can not be used on the final
product. In these circumstances, the OEM integrator will be responsible for
re-evaluating the end product (including the transmitter) and obtaining a separate FCC
authorization.
End Product Labeling
This transmitter module is authorized only for use in device where the antenna may be
installed such that 20 cm may be maintained between the antenna and users.
The
final end product must be labeled in a visible area with the following:
“Contains
FCC ID:RFAARW51”.
Manual Information To the End User
The OEM integrator has to be aware not to provide information to the end user
regarding how to install or remove this RF module in the user’s manual of the end
product which integrates this module.
The end user manual shall include all required regulatory information/warning as show
in this manual.

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