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WFM200
Wifi-Transceiver-Module, 2.412-2.484GHZ
The WFM200 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 WFM200S for a secure link interface between the host and the transceiver.
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
- 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
- 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: +15.1 dBm
- Rx Sensitivity: -96.3 dBm
- Integrated switched antenna diversity support
Power Consumption
- Rx (@1Dsss): 42,3 mA
- Tx (17 dBm @1DSSS): 145 mA
- Associated: DTIM3: 298 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
- 6.5 x 6.5 mm SIP
Operating Temperature Range
- -40 °C to +105 °C
The manufacturer Silicon Labs from Austin / Texas, specialized in Bluetooth, Bluetooth Smart and Wifi technologies, offers an extensive family of various Bluetooth, Bluetooth Smart and Wifi modules for use in industry, medicine, telemetry, telematics, M2M and mobile systems.
