Many Telcordia specifications require testing at a very low temperature. Our patented products can efficiently carry out these tests. Envsin manufactures custom-designed test chambers to meet your specific application needs. Test chambers for the telecommunications industry are designed to meet a variety of test specifications, including Telcordia test requirements. In order to build product quality and reliability, it is significant to do a test by simulating environmental and climatic conditions that the products might meet during the product’s use, transportation or storage. Common products tests include cell phones, switch gears/boxes, connectors, fiber optics, line protector units, outdoor networks interface devices, switching racks, network switching systems and so on.