The KH-081-TX100-IPEX4 with Antennas ROHS is a type of antenna module produced by Kinghelm. It is specifically designed for secure and reliable wireless communication such as Bluetooth, WIFI, 433MHz bands and WiFi Beacon / Sigfox. It is also compatible with IEEE 802.11 b/g/n operating systems. This module features a high-gain SMA connector and a length of 10.5mm. Additionally, it is RoHS compliant and meets international quality requirements. It is easy to use and install and is a great choice for any wireless communication system.