UNSPSC 32101548: Discriminator

A circuit to take out the original signal wave from the frequency modulation wave or the phase modulation wave, respectively.

UNSPSC 32101548 Discriminator (Commodity) covers radiofrequency and electromagnetic shielding equipment, detection devices, and related instruments used in public safety communications, industrial operations, and engineering testing. State and local governments procure discriminators and allied RF components primarily for emergency responder radio systems, distributed antenna systems serving public safety frequencies, and specialized laboratory and field testing applications. Recent solicitations show city aviation and public safety departments, county water utilities, school districts, state universities, and cooperative purchasing consortia acquiring these components as part of larger infrastructure modernizations or standalone equipment procurements.

Activity is concentrated in Arizona, Florida, Missouri, Wisconsin, and California, with multi-state cooperative purchasing playing a secondary role. The City of Phoenix Finance Central Procurement has issued at least two overlapping solicitations—IFB 260355 (In-Building Radio Frequency Coverage Revision, due July 10, 2026) and IFB 260148 (In-Building Radio Frequency Coverage, due April 30, 2026)—both seeking turnkey Emergency Responder Radio Coverage Systems design, installation, and optimization using bi-directional amplifiers and distributed antenna systems compliant with NFPA 1225 standards for five-year terms. The School Board of Polk County, Florida solicited ERCES Inspections (ITB 033TD0426, due March 12, 2026) requiring semi-annual inspections and 5-year grid re-testing of emergency responder communication enhancement systems district-wide. Rockwood School District (R-VI) in Missouri issued RFP 26-14203 (Bus Radios, due April 29, 2026) for approximately 150 mobile radios and related repeater and antenna equipment serving a 130-bus transportation fleet. The University of Wisconsin-Madison posted two RF shielded chamber procurements (RFB 2026-UWMSN-01254 and RFB 2026-UWMSN-01215) for engineering research applications. Sourcewell, acting as a State of Minnesota local government unit and service cooperative, issued RFP 061626 (Law Enforcement Equipment, due June 16, 2026) establishing a cooperative contracting vehicle for thousands of governmental agencies nationwide. County of Santa Clara solicited Motorola radios and accessories for the Sheriff's Office (RFQ RFQPRCFY260713, due June 17, 2026). The State of Florida issued an RFI (OPN2131819F1, due March 26, 2026) regarding ruggerized cellular routers with netCloud management and secure VPN capabilities. Hillsborough County Water Resources Department solicited mercury float switches (ITB 2600138, due March 2, 2026) for wells and lift stations; the contract was estimated at $60,000 over two years.