Shenzhen Jixin Intelligence BL01S WiFi module User Manual

Shenzhen Jixin Intelligence BL01S WiFi module

Preambles

• The XR‐50A WiFi module was developed for image acquisition, voice playback and recognition, and wireless transmission applications. It integrates high performance WLAN  subsystem  with  WiFi  MAC/BB/RF/PA/LNA  unit;  Integrates  high  sample  rate  and very low noise Audio subsystem; integrates high‐resolution image acquisition subsystem,  support  hardware  JPEG  image  encoding;  integrated  advantage  power  management unit, support ultra‐low power consumption, has a variety of sleep modes  and  fast  wake‐up  mechanism;  Integrates  hardware  encryption  engine  to  support AES/DES/3DES/SHA/MD5/CRC etc.; Integrates rich peripheral interfaces, such as I2S, SDIO, CSI, UART.
• XR‐50A  WiFi  module  supports  standard  IEEE802.11  b/g/n  protocol,  supports  RTOS, with a complete TCP/IP protocol stack. Users can use the module to add networking capabilities to existing devices, or can use it as a master design wireless network  product,  XR808  can  be  started  directly  from  external  flash  memory,  the  on‐chip high‐speed buffer memory helps improve system performance and reduce RAM requirements.
  The core processor functional block diagram is shown below,

Features

• IEEE 802.11b/g/n, 1×1 SISO 2.4GHz

• Built‐in  ARM  Cortex‐M4F  32bit  MCU  with  main  frequency  up  to 384MHz, support RTOS

• Built‐in 416KB SRAM , 160KB ROM and 4M PSRAM

• Support external Flash and eXecute In Place(XIP)

• 8 shared universal DMA channels

• Built‐in 8‐way 12bit resolution SAR type AD converter

• Integrated WiFi MAC/ BB/RF/PA/LNA

• Support WEP, WPA/WPA2, WPS2.0

• Support UART/GPIO/ADC/PWM/I2C/I2S interface

• Support AES/DES/3DES/SHA/MD5/CRC encryption engine

• Support STA/AP/STA+AP mode

• Support Smart Config/AirKiss（WeChat）  One‐click distribution network

• Support Local firmware upgrade using UART and remote upgrade （FOTA）

• Has universal and friendly AT command set

• Support secondary development, support Windows, Linux development environment

• Integrated audio subsystem, including a digital microphone controller with voice input sway, one 24‐bit audio DAC channel with
  8KHz to 192KHz sampling rate, one 24‐bit audio ADC channel for microphone input with 8KHz to 48KHz sampling rate, one 24‐bit audio ADC channel for line‐in interface, supporting sample rates from 8KHz to 48KHz

• Integrated video subsystem (Video), support JPEG, YUV encoding mode, support nv12 input format in offline encoding mode, support configurable picture resolution, minimum picture resolution: 32×32, maximum picture resolution: 1920×1088

• Onboard 2dBi PCB antenna

Federal Communication Commission Statement (FCC, U.S.)

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.

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 Caution:
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.

IMPORTANT NOTES

Co-location warning:
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

OEM integration instructions:
This device is intended only for OEM integrators under the following conditions:

• The transmitter module may not be co-located with any other transmitter or antenna. The module shall be only used with the external antenna(s) that has been originally tested and certified with this module.

• As long as the conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.).

  • The antenna must be installed such that 20 cm is maintained between the antenna and users, and
  • This device and its antenna(s) must not be co‐located with any other transmitters except in accordance with FCC multi‐transmitter product procedures. Referring to the multi‐transmitter policy, multiple‐transmitter(s) and module(s) can be operated simultaneously without C2P.
  • For all products market in US, OEM has to limit the operation channels in CH1 to CH11 for 2.4G band by supplied firmware programming tool. OEM shall not supply any tool or info to the end‐user regarding to Regulatory Domain change.

• Validity of using the module certification:
  In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization for this module in combination with the host equipment is no longer considered valid and the FCC ID of the module cannot 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:
  The final end product must be labeled in a visible area with the following: “Contains Transmitter Module FCC ID: 2AVTT-XR50A”.

• Information that must be placed in the end user manual:
  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.

Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01

List of applicable FCC rules
FCC Part 15 Subpart C 15.247 & 15.207 & 15.209

Specific operational use conditions
The module is a WIFI module with WIFI 2.4G function.

• Operation Frequency: 2412~2462MHz
• Number of Channel: 11
• Modulation: 802.11b CCK; 802.11g/n OFDM
• Type: PCB Antenna
• Gain: 2 dBi Max.

The module can be used for mobile or applications with a maximum 2dBi antenna. The host manufacturer installing this module into their product must ensure that the final composit product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operaition. The host manufacturer 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.

Limited module procedures
Not applicable. The module is a Single module and complies with the requirement of FCC Part 15.212.

Trace antenna designs
Not applicable. The module has its own antenna, and doesn’t need a host’s printed board microstrip trace antenna etc.

RF exposure considerations
The module must be installed in the host equipment such that at least 20cm is maintained between the antenna and users’ body; and if RF exposure statement or module layout is changed, then the host product manufacturer required to take responsibility of the module through a change in FCC ID or new application. The FCC ID of the module cannot be used on the final product. In these circumstances, the host manufacturer will be responsible for re- evaluating the end product (including the transmitter) and obtaining a separate FCC authorization

Antennas
Antenna Specification are as follows:

• Type: PCB Antenna

• Gain: 2 dBi

  • This device is intended only for host manufacturers under the following conditions:
  • The transmitter module may not be co-located with any other transmitter or antenna;
  • The module shall be only used with the internal antenna(s) that has been originally tested and certified with this module. The antenna must be either permanently attached or employ a ‘unique’ antenna coupler.
  • As long as the conditions above are met, further transmitter test will not be required. However, the host manufacturer is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.).

• Label and compliance information
  Host product manufacturers need to provide a physical or e-label stating “Contains FCC ID: 2AVTT-XR50A”with their finished product.

• Information on test modes and additional testing requirements

  • Operation Frequency: 2412~2462MHz
  • Number of Channel: 11
  • Modulation: 802.11b CCK; 802.11g/n OFDM
    Host manufacturer must perfom test of radiated & conducted emission and spurious emission, etc according to the actual test modes for a stand-alone modular transmitter in a host, as well as for multiple simultaneously transmitting modules or other transmitters in a host product.
    Only when all the test results of test modes comply with FCC requirements, then the end product can be sold legally.

• Additional testing, Part 15 Subpart B disclaimer
  The modular transmitter is only FCC authorized for FCC Part 15 Subpart C 15.247 & 15.207 & 15.209 and that the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. If the grantee markets their product as being Part 15 Subpart B compliant (when it also contains unintentional-radiator digital circuity), then the grantee shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed.

FCC STATEMENT :

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

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 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.

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