With all Wi-Fi® and Internet protocols integrated in this module which greatly minimize host MCU software requirements, it can be added to any low-cost, low-power microcontroller unit (MCU).

This ROM-based subsystem includes an 802.11 a/b/g/n dual-band 2.4 GHz and 5 GHz radio, baseband, and MAC with powerful hardware cryptographic engine. With built-in security protocols, the BDE-WF3135A solution provides a robust and simple security experience. The BDE-WF3135A is available in an LGA package that is easy to lay out with all required components including serial Flash, RF filters, diplexer, crystal, and passive components that are fully integrated.

BDE-WF3135A introduces new capabilities that further simplify the connectivity of things to the Internet. The main features of BDE-WF3135A include:

•      802.11 a/b/g/n: 2.4 GHz and 5 GHz support

•      2.4 GHz Coexistence with Bluetooth® low energy radio

•      Integrated Dual-band chip antenna or UFL connector for external antenna

•      More concurrent secure sockets, up to 16

•      Unique device identifier with ability to generate certificate signing request (CSR)

•      Online certificate status protocol (OCSP)

•      Wi-Fi Alliance® certified for IoT low power capabilities

•      Hostless mode for offloading template packet transmissions

•      Improved fast scan

•      32 Mbit SPI Serial Flash.

Key Features

- Fully integrated and green/RoHS module includes all required clocks, serial peripheral interface (SPI) flash, and passives

- Integrated Wi-Fi® and internet protocols

- 802.11a/b/g/n: 2.4 GHz and 5 GHz

- Rich set of IoT security features helps developers protect data

- Low-power modes for battery powered application

- Coexistence with 2.4 GHz radios

- Industrial temperature: –40°C to +85°C

- Wi-Fi network processor subsystem:

- Wi-Fi core:

- 802.11 a/b/g/n 2.4 GHz and 5 GHz

- Modes:

- Access Point (AP)

- Station (STA)

- Wi-Fi Direct® (only 2.4 GHz)

- Security:

- WEP

- WPA™/ WPA2™ PSK

- WPA2 Enterprise

- WPA3™ Personal

- Internet and application protocols:

-HTTPs server, mDNS, DNS-SD, DHCP

- IPv4 and IPv6 TCP/IP stack

- 16 BSD sockets (fully secured TLS v1.2 and SSL 3.0)

- Built-in power management

- subsystem:

- Configurable low-power profiles (always on, intermittently connected, tag)

- Advanced low-power modes

- Integrated DC/DC regulators

- Application throughput

- UDP: 16 Mbps

- TCP: 13 Mbps

- Multilayered Security Features:

- Separate execution environments

- Networking security

- Device identity and key

- Hardware accelerator cryptographic engines (AES, DES, SHA/MD5, CRC)

- File system security (encryption, authentication, access control)

- Initial secure programming

- Software tamper detection

- Secure boot

- Certificate signing request (CSR)

- Unique per device key pair

- Recovery mechanism – ability to recover to factory defaults

- Power-Management Subsystem:

- Integrated DC/DC converters support a wide range of supply voltage:

- Single wide-voltage supply, VBAT: 2.3 V to 3.6 V

- Advanced low-power modes:

- Shutdown: 1 μA, hibernate: 5.5 μA

- Low-power deep sleep (LPDS): 115 μA

- Idle connected (MCU in LPDS): 710 μA

- RX traffic (MCU active): 53 mA

- TX traffic (MCU active): 223 mA

- Wi-Fi TX power

- 2.4 GHz: 16 dBm at 1 DSSS

- 5 GHz: 15.1 dBm at 6 OFDM

- Wi-Fi RX sensitivity

- 2.4 GHz: –94.5 dBm at 1 DSSS

- 5 GHz:  –89 dBm at 6 OFDM

- Additional integrated components on module

- 40.0 MHz crystal with internal oscillator

- 32.768 kHz crystal (RTC)

- 32 Mbit SPI Serial Flash

- RF filters, diplexer, and passive components

- QFM package

- 1.27mm pitch, 63-pin, 20.5mm × 23mm QFM package for easy assembly and low-cost PCB design

Applications

For Internet of Things applications, such as:

- Medical and Healthcare

- Multiparameter Patient Monitor

- Electrocardiogram (ECG)

- Electronic Hospital Bed & Bed Control

- Telehealth Systems

- Building and Home Automation:

- HVAC Systems & Thermostat

- Video Surveillance, Video Doorbells, and Low-Power Camera

- Building Security Systems and E-locks

- Appliances

- Asset Tracking

- Factory Automation

- Grid Infrastructure