Data Sheet

K255B-SR
FN-LINK TECHNOLOGY LIMITED Proprietary & Confidential Information
2
1 Overview
1.1 Introduction
K255B-SR support 1-stream 802.11a/b/g/n/ac solution with MU-MIMO STA mode with
Bluetooth smart ready controller, SDIO 3.0 interface, HS-UART mixed interface. It
combines WLAN MAC, a 1T1R WLAN baseband, RF in a single chip.
Module complies with IEEE 802.11 a/b/g/n/ac standard and the speed can achieve up to
80MHz bandwidth and PHY data rate of 433Mbps.
Module complies with Bluetooth core specification V5.0, support both classic BDR/EDR
and BLE mode.
1.2 Features
 CMOS MAC, Baseband PHY and RF in a single chip for IEEE 802.11 a/b/g/n/ac
 Support 802.11ac 1x1, compliant with MU-MIMO STA mode
 SDIO 3.0 interface for WLAN, with rate up to 208MHz
 802.11ac support maximum rate up to 433Mbps in 80MHz bandwidth
 Support HS-UART and PCM host interface for BT
 Supports Bluetooth V5.0 features
 Dual mode BT 5.0 supporting BDR, EDR, LE1M, LE2M and LE8S rates