The LSD4WN-2N717M91 with Wireless Modules RoHS manufactured by Lierda is an IEEE 802.11n, 2.4GHz, four antenna, single chip, 2T2R wireless module. It is an indoor module designed for high performance and aesthetically attractive wireless LAN applications. This module is RoHS compliant and based on IEEE 802.11n standards. It has high data rate capability, up to 150Mbps, making it suitable for applications needing fast throughput, such as online gaming and HD video streaming. It supports WPA/WPA2 security protocols and WMM to ensure users have a secure wireless connection. This module has a maximum output power of 18dBm, and an operating range of up to 100 meters. In addition, it also supports external antenna diversity to further enhance performance.