Duplexer VHF – UHF
Duplexer VHF – UHF ( with Notch Filters )
Professional duplexers available in 2+2 or 3+3 high-‘Q’ quarter-wave Notch cavity configurations. Features include a SurTec 650 treated aluminum chassis, silver-plated copper internal transmission lines, and PTFE insulators to guarantee lowest insertion loss and excellent thermal stability.
Engineered for VHF and UHF frequency ranges, these units are perfectly suited for single-antenna ham radio repeaters.
Technical Data
| ADB/22V-50 | ADB/22V | ADB/33V | ADB/22U | ADB/33U | |
|---|---|---|---|---|---|
| BAND | 50 – 60Mhz | 140 – 180Mhz | 140 – 180Mhz | 430 – 560Mhz | 430 – 560Mhz |
| CHANNELS SPACING | 500Khz | 600Khz | 600Khz | 1.6Mhz | 1.6Mhz |
| IMPEDANCE | 50 Ohm | 50 Ohm | 50 Ohm | 50 Ohm | 50 Ohm |
| V.S.W.R. | < 1.2:1 | < 1.2:1 | < 1.2:1 | < 1.2:1 | < 1.2:1 |
| INSERTION LOSS | <1.5db | <1.5db | <2.2db | <1.5db | <2.2db |
| ISOLATION | >70 db | >70 db | >90 db | >70 db | >95 db |
| WORKING TEMPERATURE | 10-40° | 10-40° | 10-40° | 10-40° | 10-40° |
| CONNECTORS | N | N | N | N | N |
| POWER | 100W | 100W | 100W | 100W | 100W |



