Sonavox Canada WTX1011 Users Manual

SONAVOX Inc.

WTX1011/WRX1011Users Manual

This document is designed to provide general information for use of the Audio Wireless Transceiver
Module WTX1010/WRX1011.

EMI/EMC Compliance Guidelines
FCC Compliance

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. Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.

IC Compliance

This Class B digital apparatus complies with Canadian RSS-210.

When integrating the WTX1010/WRX1011 module into your own product, you must:

1. Use only the provided chip antenna.

2. Operate the module according to the specifications listed in this data sheet.

3. Include a label clearly visible on the exterior of the product which states: “Contains FCC ID:

WUO-WTX1010/WRX1011 / IC: 7985A-WTX1010/WRX1011”.

4. It is mandatory that you consult all FCC and IC documentation for use of a modular approved

product, and comply with all listed guidelines and additional testing that may be required.

Specifications
WTX1010/WRX1011 functional block diagrams

Wireless Audio Transceiver Module –

2.4GHZ
ANTENNA

MATCHING
NETWORK

DIVERSITY

SWITCH

MATCHING
NETWORK

RF Performance:
Outdoor range (LOS) 15m.
Maximum Transmitting RF Power - 0 dBm.
Frequency ISM 2.400 - 2.480 GHz.

Figure 1

EEPROM

TWI

ANT

KLR3012

22.576649MHZ

I2S

SPI

GPIO

I2S

SPI

GPIO

1

SONAVOX Inc.

Physical Dimensions

Electrical Parameters
Absolute maximum Supply Voltage Range 2.0 - 3.3 VDC
Nominal Supply voltage – 2.1VDC
Current Requirements – 10-15mA
Operating Temperature Range - 0 to 70 °C / 32 to 158 °F

PCB Material and layout considerations
The PCB material for the base PCB should be FR4 glass epoxy.
All supply pins should have decoupling electrolytic capacitors and ferrite beads positioned as close to
the supply pins as possible.
No components or traces should be located close to the antenna. Recommended minimum distance is
10mm.

Firmware
Sonavox provides the firmware on the module for our customers.

Other features
The module is RoHS compliant.
The module is FCC approved (documentation available on request).
The module is IC approved (documentation available on request).

Wireless Audio Transceiver Module –
WTX1011/WRX1011Users Manual

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