User's Manual
Table Of Contents
- 1. General Specification
- 2. Module Identification
- 3. Module Connection
- 4. Applications
- 5. Electrical Specifications
- 5-1. Absolute Maximum Ratings
- 5-2. Recommended operating Range
- 5-3. Electrical Characteristics – DC
- 5-4. Electrical Characteristics – RF TX
- 5-5. Electrical Characteristics – RF RX
- 5-6. Electrical Characteristics – RF PLL
- 5-7. Electrical Characteristics – Audio C/CS
- 5-8. I2S Communication Interface Timing
- 5-9. I2C Slave Communication Interface Timing
- 6. Certificate Statement
USER MANUAL
WSA520S
Wireless Audio Transceiver, 5GHz 30.0x40.4x3.2[mm], 24pin FFC Version: 01
16 /17 OCT 29, 2020
2.7 Antennas
A list of antennas included in the application for certification must be provided in the instructions. For modular
transmitters approved as limited modules, all applicable professional installer instructions must be included as
part of the information to the host product manufacturer. The antenna list shall also identify the antenna types
(monopole, PIFA, dipole, etc. (note that for example an “omni-directional antenna” is not considered to be a
specific “antenna type”)).
For situations where the host product manufacturer is responsible for an external connector, for example with an
RF pin and antenna trace design, the integration instructions shall inform the installer that unique antenna
connector must be used on the Part 15 authorized transmitters used in the host product. The module
manufacturers shall provide a list of acceptable unique connectors.
Explanation: The EUT has a Chip Antenna, and the antenna use a permanently attached antenna
which is unique.
2.8 Label and compliance information
Grantees are responsible for the continued compliance of their modules to the FCC rules. This includes advising
host product manufacturers that they need to provide a physical or e-label stating “Contains FCC ID” with
their finished product. See Guidelines for Labeling and User Information for RF Devices – KDB Publication
784748.
Explanation:The host system using this module, should have label in a visible area indicated the
following texts: “Contains FCC ID: A3LWSA520S, Contains IC: 649E-WSA520S”
2.9 Information on test modes and additional testing requirements5
Additional guidance for testing host products is given in KDB Publication 996369 D04 Module Integration Guide.
Test modes should take into consideration different operational conditions for a stand-alone modular transmitter
in a host, as well as for multiple simultaneously transmitting modules or other transmitters in a host product.
The grantee should provide information on how to configure test modes for host product evaluation for different
operational conditions for a stand-alone modular transmitter in a host, versus with multiple, simultaneously
transmitting modules or other transmitters in a host.
Grantees can increase the utility of their modular transmitters by providing special means, modes, or
instructions that simulates or characterizes a connection by enabling a transmitter. This can greatly simplify a host
manufacturer’s determination that a module as installed in a host complies with FCC requirements.
Explanation: Top band can increase the utility of our modular transmitters by providing instructions
that simulates or characterizes a connection by enabling a transmitter.