The POI-10083-1800 is a passive 1800 MHz Point of Interface engineered for reliable integration in DAS and IBS wireless coverage networks. Designed for professional telecommunications deployments, this 1800 MHz POI supports uplink 1710–1785 MHz and downlink 1805–1880 MHz operation through duplexed UL/DL paths, controlled attenuation, and a dedicated DL test port for field monitoring. Its measured low VSWR, high DL/UL isolation, 50 Ω nominal impedance, and rack-mount 19-inch 2U chassis make it suitable for indoor distributed antenna systems, in-building mobile coverage, carrier signal conditioning, and network expansion projects. For buyers searching for a passive POI for 1800 MHz DAS, an RF interface unit with uplink and downlink separation, or a telecom component for stable repeater and IBS integration, the POI-10083-1800 delivers dependable RF management, simplified commissioning, easier maintenance access, and professional-grade performance for modern cellular coverage upgrades.