Are you looking for laser cutting china supplier?Wonder industries ltd., Has More Than 15 year's Professional Experience In The Precision Laser Cutting And Sheet Metal And Other Cutting Service To Suit All Your Needs.Get Instant Quote:[email protected] .

LSResearch: TiWi-SL: 2.4GHzWLAN solution

LSResearch: TiWi-SL: 2.4GHzWLAN solution

TiWi-SL of LS Research is a high-performance 2.4GHz 802.11b/g WLAN module, including the necessary PHY, MAC and network layer to support WLAN applications. The module is compatible with IEEE 802.11b/g, WLAN transmission power is +19.0dBm or +15dBm, WLAN sensitivity is -85dBm or -70dBm, and working voltage is 2.9V~3.6V. Mainly used in HVAC control, smart grid, sensor network, medical treatment, home automation and monitoring.

TiWi-SL is a high-performance 2.4GHz WLAN module that includes an IP networking stack in a verified pin space.

This module includes the required PHY, MAC, and network layers to support WLAN applications through a simple SPI connection with the host microcontroller and other embedded processors.

LSResearch: TiWi-SL: 2.4GHzWLAN solution
Figure 1 Block diagram of TiWi-SL module
LSResearch: TiWi-SL: 2.4GHzWLAN solution
Figure 2 Outline drawing of experiment board and TiWi-SL EM board

Main features of TiWi-SL module

• Comply with IEEE 802.11b/g standard

•Typical WLAN transmit power: +19.0 dBm, 11 Mbps, CCK (b)

– +15dBm, 54 Mbps, OFDM (g)

• Typical WLAN sensitivity: -85 dBm, 8% PER, 11 Mbps

– -70dBm, 10% PER, 54Mbps

•Small point area: 14 mm×21mm

• Low profile height: 2.3 mm

•Working voltage: 2.9V~3.6V

•Working temperature: -40℃~+85℃

• Embedded network stack

• Wireless Security WEP, WPA Personal Edition, WPA2 Personal Edition

•Suitable for PCB/chip antenna feed terminal

• Compact design based on TI’s CC3000 transceiver

• SPI host interface

• Easy integration with the microprocessor of the microcontroller

•World recognition: FCC (United States), IC (Canada

Canada), ETSI (Europe)

• Comply with RoHS requirements

• Smooth development with LSR design service

TiWi-SL module application

• HVAC control, Smart Energy

•Sensor Networks

•Medical equipment

• Home automation

• Home surveillance

Main features of TiWi-SL module
LSResearch: TiWi-SL: 2.4GHzWLAN solution
Figure 3 TiWi-SL EM board circuit diagram

Table 1 Bill of Materials (BOM) of TiWi-SL EM Board

WLAN features:

• WLAN MAC baseband processor and RF transceiver compliant with IEEE802.11b/g

• Comply with IEEE Std 802.11d, i PICS standard

• Support serial debugging interface

• Support serial peripheral interface (SPI) host interface

•Media Access Controller (MAC)

– Embedded ARM Central Processing Unit (CPU)

-Using 64-bit, 128-bit WEP, TKIP or AES keys, hardware-based encryption/decryption

– Support wireless fidelity (Wi-Fi) protected access (WPA and WPA2.0) and IEEE requirements

– Std 802.11i

• Baseband processor

• 2.4GHz audio

– Adoption of Digital Audio Processor (DRP)

– Internal LNA

– Support: IEEE Std 802.11b, 802.11g, 802.11b/g support network stack protocol

• Transport layer



•Network layer

– IPv4

– Ping


-DNS client program

• Link layer

– ARP wireless security system features

•Supported modes

– Public (no security)


– WPA-Personal Edition

– WPA2-Personal Edition

•Supported encryption type,




– Open

The TiWi-SL EM evaluation module board is an evaluation platform for LS Research TiWi-SL 802.11 b/g Wi-Fi modules. The communication between the slave device and the master device TiWi-SL module is carried out through an SPI interface.

LSR 001-0001 dipole antenna is used to connect LSR 080-0001 U.FL to reverse pole SMA cable and Hirose PCB mounting type U.FL connector to provide an additional mounting antenna for the LSR TiWi-SL wireless module.

For details, see:



The Links:   1DI300Z-100 6MBP200RA060