PROMAX Test & Measurement, a privately owned company headquartered in Spain, was founded in 1963 with approximately 40 employees, and reported $13.1M in revenue as of 2023. The company specializes in telecommunications test instruments designed to provide testing solutions for cable, satellite, and digital terrestrial television.
On February 4, 2026, PROMAX highlighted the Attenuation Test tool as essential for certifying the deployment and response of cabling and distribution equipment, such as splitters, within television distribution plants, including Multi-Dwelling Units and cable networks. Previously, on November 16, 2025, the company discussed the OTDR (Optical Time-Domain Reflectometer) tool, noting its importance as cable-based telecommunications increasingly relies on optical fiber. This comes as key carriers worldwide, including those in Spain, move away from traditional telephone access lines. Earlier, on July 16, 2025, PROMAX addressed the transition to the SMPTE ST 2110 protocol, observing its growing adoption in live production, playout, and contribution systems due to factors like the scalability of IP networks over SDI cabling for expanding channels and devices.
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