Microchip RN171-I/RM475 3.3V WiFi Module ASCII, GPIO, ISP, SPI, UART

The Microchip RN171 is a compact 802.11b/g WiFi Module that simplifies adding WiFi connectivity into designs.

The module integrates all the required hardware with an on-board TCP/IP stack to provide a full featured 802.11b/g module. Configuration of the RN171 is via simple ASCII commands over UART.

The Power Management features of the RN171 are ideal for portable, battery powered applications. The module features Battery Boost Circuitry and in Sleep Mode consumes only 4 μA.

Complete, Embedded 2.4 GHz IEEE 802.11b/g Wireless LAN Module
14 GPIO Pins (Four GPIOs shared with UART)
Eight Analogue Sensor Inputs
Compact Form Factor: 26.67 x 17.78 x 3.18 mm
Integrated Crystal, Internal Voltage Regulator, Matching Circuitry, Power Amplifier
Configured using Simple ASCII Commands
Supports Infrastructure and SoftAp Networking Modes
Built-in Networking Applications: TCP, UDP, DHCP, DNS, ICMP, ARP, HTTP Client, and
FTP Client
Complete On-Board TCP/IP Networking Stack
Unique MAC Address
Upgrade Firmware Over the Air using FTP
Supports WiFi Protected Setup (WPS)
Security: WEP-128, WPA-PSK (TKIP), WPA2-PSK (AES)

Frequency: 2.412 to 2.462 GHz
802.11b Modulation Compatibility: DSSS (CCK-11, CCK-5.5, DQPSK-2, DBPSK-1)
802.11g Modulation Compatibility: OFDM
Receive (Rx) Sensitivity: -83 dBm (typical)
Power Output: 0 to +12 dBm

Ultra Low-Power Sleep Mode (4 μA)
Battery Boost Control Circuitry
Real-Time Clock for Time Stamping, Auto-Sleep, and Auto-Wake

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WLAN (Wireless Local Area Network) - Microchip Technology