The SLDA52-2R780G-S1TF with Antenna SMD,5.2x2.1mm RoHS is a surface-mount antenna manufactured by Sunlord. It is a high performance surface mount antenna that is designed to meet or exceed the latest specifications for wireless communication devices. The antenna is designed to work with electronics such as cellular and WiFi devices. It has a frequency range of 2.4-2.48GHz, an impedance of 50O, and a nominal gain of 2.44dBi. It is RoHS compliant and includes a SMD 5.2 x 2.1 mm connector to make it easy to connect to other electronic components. The antenna is designed to be used in a variety of applications ranging from automotive, industrial, and consumer electronics. It can be used in products such as wearables, security systems, internet of things (IOT) devices, and more.