UNSPSC 32101530: Radio frequency RF combiner

A signal combining network that allows several discrete inputs to be added into a common bandwidth and that has high isolation between inputs. Also may be called a power combining network

UNSPSC 32101530 Radio frequency RF combiner (Commodity) encompasses electrical control and protection equipment for utility infrastructure, water treatment facilities, and transit systems—though recent state and local opportunities under this code show significant scope drift, with solicitations actually buying protection relays, motor control centers, electrical component kits, and ballasts rather than RF combiners specifically. State and local buyers issuing under the code include utility authorities (Kissimmee Utility Authority), county governments (Hillsborough County, Bay County, Gwinnett County), transit authorities (Trinity Metro), school districts (Northside Independent School District), and municipalities (City of Arlington, City of Tampa, City of Fort Worth). The work being solicited ranges from replacing aging protection relays (SEL 451 and SEL 751 systems) in electrical grids to fabricating pump station control panels with factory acceptance testing, establishing blanket purchase agreements for electrical parts and materials for facilities maintenance, and procuring standardized Schneider Electric components for SCADA control integration. Recurring themes include emphasis on interoperability with existing infrastructure (no redesign of protection schemes), UL and NEC code compliance, and 24/7 emergency support availability.

Geographic activity concentrates in Florida (Kissimmee Utility Authority, Hillsborough County, Bay County, City of Tampa, Trinity Metro in Tarrant County Texas, and Gwinnett County Georgia. Representative recent opportunities include Kissimmee Utility Authority's sole-source RFQ (solicitation SS26054SH, due August 24, 2026) for SEL protection relays to replace aging equipment across its electrical system; Hillsborough County's ITB-26-00393 (due September 29, 2026, estimated $3.66 million over two years) for pump station control panels fabricated weekly to multiple electrical configurations with UL 508A certification required; Trinity Metro's IDIQ contract (IFB26T035, due August 20, 2026) for electrical materials supporting maintenance and emergency operations across facilities in Tarrant County; and Gwinnett County's competitive quote (PA028-26, due June 12, 2026) for approximately 200 units annually each of 1500W metal halide ballasts and capacitors for Parks and Recreation. The code shows active procurement but limited alignment with its nominal RF combiner scope.