WF200 Wi-Fi® Transceiver

The Perfect Wi-Fi Transceiver IC for IoT Applications

The WF200 is the perfect Wi-Fi transceiver for your secure, low power IoT Wi-Fi needs. The Wi-Fi transceiver contains a 2.4 GHz 802.11b/g/n radio (MAC and PHY layer), optimized for low power and optimal RF performance in crowded RF environments. The device supports both linux-based hosts and RTOS-based hosts to deliver a complete Wi-Fi solution. High speed SPI and SDIO host interfaces provide flexibility and throughput.

Use WF200S for a secure link interface between the host and the transceiver.

WF200 Features and Specifications

    Features
  • 802.11 b/g/n Wi-Fi transceiver including the radio, baseband, MAC, security and host interface
  • Superior link budget with integrated LNA, PA, and Balun
  • OTP included removing the need for an external EEPROM
  • Ultra-low power optimized IoT solution
  • End-to-end security with hardware protected secure boot and encrypted host interface
  • 802.11 split and full MAC architecture support
  • Complete Network Co-Processor (NCP) support for Linux and RTOS external hosts
 
    Standards/IEEE 802.11 and WFA
  • b - symbol rates: up to 11 Mbps
  • g - symbol rates: up to 54 Mbps
  • n - symbol rates: up to 72.2 Mbps
  • d - regulatory domains
  • e - QoS as per definition in WMM specification
  • i - as per definition in WPA2 specification
  • w - protected management frames
  • WMM Power save
  • WPA/WPA2 Personal
  • Supported with Host Security Supplicant:
    • WPA3
    • WPA2 Enterprise
    • WFD - Wi-Fi Direct Client and Group owner
    • WPS - Wi-Fi Protected Setup
    Key MAC and Baseband Features
  • 1x1 802.11n with full 802.11 b/g compatibility, 72.2 Mbps
  • Greenfield Tx/Rx for 802.11n optimal performance
  • Short Guard Interval (SGI) for 802.11 optimal throughput
  • Tx LDPC for improved range
  • A-MPDU Rx and Tx for high MAC throughput
  • Block Acknowledgement support
  • Rx Defragmentation
  • Roaming supported
  • Client, SoftAP modes supported
  • Concurrent AP + STA support
  •  
    RF Features
  • Tx Power: +16.5 dBm
  • Rx Sensitivity: -96.5 dBm
  • Dual 2.4 GHz antenna pads for full antenna diversity support
  • 2.4 GHz co-existence; 2-, 3-, and 4-wire PTA support
  • Integrated Balun, T/R switch, LNA and PA for 2.4 GHz
    Power Consumption
  • Rx (@1Dsss): 40 mA
  • Tx (17 dBm @1DSSS): 148 mA
  • Associated: DTIM3: 250 μA
  • Sleep: 22 μA
  • Power off: 0.5 μA
    Security and Encryption Features
  • Secure boot with roll-back prevention
  • Encrypted host interface, dedicated hardware acceleration Block
  • Integrated True Random Number Generator
  • Secure key storage using protected OTP technology
  • AES/WEP hardware acceleration
    Host Interfaces
  • SDIO (1-bit and 4-bit SD mode up to 26 MHz)
  • SPI (1-bit up to 52 MHz)
    Peripheral Interfaces
  • External 32 kHz crystal for low power clock control
  • GPIOs (including wake-up and Tx/Rx activity monitoring)
    ROHS/REACH Compliant
    Electrical Characteristics
  • 1.8 V - 3.6 V
    Packaging
  • 4x4 QFN32
    Operating Temperature Range
  • -40 °C to +105 °C

Product Matrix

Devices
Part Number Data Sheet Dev Kit Protocol TX Power Max (dBm) RX Sensitivty (dBm) Associated Sleep (uA) Serial Interface Onboard Stack Package Size
SLEXP8022B 2.4 GHz 802.11 b/g/n 17 -96.5 22 SDIO, SPI No 4x4
SLEXP8022B 2.4 GHz 802.11 b/g/n 17 -96.5 22 SDIO, SPI No 4x4

Getting Started with WF200 Wi-Fi Transceiver IC

WF200 Wi-Fi Expansion Kit

The easiest way to get started with the WF200 is with a WF200 Wi-Fi Expansion Kit.

 

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