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1. Introduction

The Realtek RTL8189ETV is a highly integrated single-chip 802.11n Wireless LAN (WLAN) network SDIO interface (SDIO 1.1/ 2.0/ 3.0 compliant) controller. It is a WLAN MAC, a 1T1R capable WLAN baseband, and WLAN RF in a single chip. The RTL8189ES-VB provides a complete solution for a high-throughput performance integrated wireless LAN device.

The RTL8189ETV WLAN baseband implements Orthogonal Frequency Division Multiplexing (OFDM) with 1 transmit and 1 receive path and is compatible with the IEEE 802.11n specification. Features include one spatial stream transmission, short guard interval (GI) of 400ns, spatial spreading, and transmission over 20MHz and 40MHz bandwidth. provide higher data rates of 54Mbps and 150Mbps for IEEE 802.11g and 802.11n OFDM respectively。

2. Features

General 32-pin QFN

CMOS MAC, Baseband PHY, and RF in a single chip for IEEE 802.11b/g/n compatible WLAN Complete 802.11n solution for 2.4GHz band

72.2Mbps receive PHY rate and 72.2Mbps transmit PHY rate using 20MHz bandwidth 150Mbps receive PHY rate and 150Mbps transmit PHY rate using 40MHz bandwidth Compatible with 802.11n specification

Backward compatible with 802.11b/g devices while operating in 802.11n mode Host Interface

Complies with SDIO 1.1/ 2.0/ 3.0 for WLAN with clock rate up to 100MHz One Transmit and one Receive path (1T1R)

Maximum data rate 54Mbps in 802.11g and 150Mbps in 802.11n