(67) Bird Technologies Group manufacturers a comprehensive line of duplexers with the critical specifications you require to operate a high performance system. Whether your application has a challenging T-R frequency spacing or requires broadband duplexed windows to implement a single antenna system, our Duplexers provide the transmitter and noise suppression characteristics you need while minimizing the loss to your carriers. Vari-Notch® Duplexers offer the best cost-to-performance ratio for close-spaced applications. Series Notch® Duplexers utilize a band-reject (notch circuit) design to optimize isolation specifications when necessary. Bandpass Duplexers can be used to combine transmitter combiners and Receiver Multicouplers to a ...
The 36-97-07053-A Triplexer is the latest edition in our product line which is applicable to the Amateur Radio service. The design was based on the D-Star® radio system requirements in the 1.2 to 1.3 GHz band. Essentially a 3 input duplexer, the Triplexer allows combining the voice TX and RX channels onto a single antenna along with the simplex data only channel. This eliminates the need for a separate data channel antenna and feedline.