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

Eastech Electronics (Taiwan) Inc. Digital Wireless Audio Transceiver module DWAM79 brochure to path

manual

DWAM80 Digital WirelessAudio ModuleThe DWAM80_D2D is an OEM module (42 x 42mm) based onthe STS DARR80. It is an uncompressed wireless digital audiotransceiver operating in the 2.4GHz ISM band. It implements 8channels with I2S interface or 4 channels with S/PDIF. The wireless audio link supports up to 4 uncompressed high qualityand low latency stereo audio channels in various networktopologies.A unique set of protocols and algorithms provides extremewireless robustness, capable of dealing with multiple interferencesources as present in the 2.4GHz band. In addition, a wirelessbi-directional data channel is availableThe module integrates all functionality for a wireless digital audioconnection, 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 control interface and GPIOsThe DWAM80 D2D is used for both Central Unit (CU, transmitter) and Mobile Unit (MU, receiver). The module is configured eitherthrough the I2C interface, optional EEPROM or microcontroller.The microcontroller can run application software for more advancedapplications. This yields full application flexibility in terms of data message transfer, configuration, GPIO management and link control.
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3Federal 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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