The Handheld ST332B VDSL Tester for xDSL Test Tools by SENTER is a versatile unit designed for testing and inspection purposes in the business and industrial sector. Made in China, this handheld device offers a convenient and portable solution for measuring and testing xDSL connections. With its compact design and easy-to-use features, the ST332B VDSL Tester provides accurate and efficient results for troubleshooting and maintenance tasks.