138-174 MHz, Duplexers, 4-Cavity, Bandpass/Band-Reject (DB4059 Series)

dbSpectra DB4059 Series VHF Duplexers for Single Channel Applications

• Very compact, high-performance single-frequency VHF duplexer design using quarter-wave copper cavities.
• High isolation at close transmit-to-receive frequency separation — down to 750 kHz.
• Frequency stable over the temperature range using Invar rods with nearly zero thermal expansion.
• Field-proven, time-tested design.
• Field-tunable with proper test equipment

PDF: Spec Sheet