ElectronicsThe VG433SNX39-6W3 with 2.5dBi Vertical 433MHz – Antennas ROHS manufactured by Vollgo Electronics is a pair of high-gain antennas specifically designed to send and receive signals using the 433MHz frequency. These antennas are housed in a sturdy enclosure that is RoHS compliant, making them well-suited for a variety of applications. They feature an impressive gain of 2.5 dBi, meaning that they provide increased signal strength and can greatly extend the range of any device which operates on the 433MHz frequency. Additionally, these antennas are durable and reliable, allowing them to handle even the toughest conditions. With their high-quality construction and excellent performance, the VG433SNX39-6W3 antennas are an ideal choice for any 433MHz enabled system.