Decibel Products DB4402A UHF Filter DB4303 100W Dry Dummy Load

Here are the specifications for the listed Decibel Products UHF components, commonly used in repeater or base station RF systems: Model: DB4402A Manufacturer: Decibel Products (a division of Allen Telecom) Product Type: UHF Duplexer / Cavity Filter Frequency Range: Typically tunable in 406–512 MHz (UHF band) Configuration: Dual or triple cavity design (depending on version) Function: Isolates transmitter and receiver signals in duplex radio systems Isolation: ≥ 90 dB (typical between TX and RX paths) Insertion Loss: ≤ 1.5 dB Power Handling: Up to 100W continuous Connectors: N-type female Tuning Method: Adjustable resonator posts Mounting: Rack-mountable or cabinet mount Application: Repeaters, base stations, trunked radio systems