1. Introduction

S4 is a highly integrated and excellent performance Wireless LAN (WLAN) SDIO network interface device. High-speed wireless connection up to 150 Mbps.

1.1 Overview
The general hardware for the module is shown in Figure 1. This WLAN Module design is based on Realtek RTL8189ES. It is a highly integrated single-chip 1*1 MIMO (Multiple In Multiple Out) Wireless LAN (WLAN) SDIO network interface controller complying with the 802.11n specification. It combines a MAC, a 1T1R capable baseband, and RF in a single chip. It is designed to provide excellent performance with low power Consumption and enhance the advantages of robust system and cost-effective.

1.2 SPECIFICATION REFERENCE

This specification is based on additional references listed as below.
iEEE 802.11b
iEEE 802.11g
iEEE 802.11


Main Chipset
Realtek RTL8189ETV
Operating Frequency
2.400～2.4835GHz
WIFI Standard
iEEE802.11b/g/n 1*1
Modulation
802.11b: CCK(11, 5.5Mbps), QPSK(2Mbps), BPSK(1Mbps)
802.11 g/n: OFDM
PHY Data rates
802.11b: 11,5.5,2,1 Mbps
802.11g: 54,48,36,24,18,12,9,6 Mbps
802.11n: up to 150Mbps
Receiver Sensitivity
130M：-70dBm@10% PER; 108M：-70dBm@10% PER; 54M：-70dBm@10% PER; 11M：-87dBm@8% PER; 6M：-90dBm@10% PER; 1M：-92dBm@8% PER
Host Interface
SDIO/GSPI
Operation Range
Up to 150meters in open space
RF Power
<14dBm@11n,<18dBm@11b,<15dBm@11g
RF Antenna
External Antenna (2.4GHz 50Ohm Resistance)
OS Support
Android / Win CE /iOS /Linux/Windows 2000/XP/Vista/WIN7
Security
WEP,TKIP,AES,WPA,WPA2
Power Consumption
3.3Vdc 250mA Max
Operating Temperature
-20~ +45°C Ambient Temperature
Storage Temperature
-40~ +70°C Ambient Temperature
Humidity
5% to 90%maximum (non-condensing)
Dimension

Typical  12.0X12.0X2.0