TX RX Systems, Inc. Notch-Pseudo Band Pass Duplexer-NOTCH-PSEUDO BP DPLX 144-174 1.5 MIN SEP (TX HIGH)
The TX RX Systems 30-37-03A is a Notch-Pseudo Band Pass Duplexer designed for use in the VHF frequency range of 144-174 MHz. This duplexer features a minimum frequency separation of 1.5 MHz, with the transmit (TX) frequency set higher than the receive (RX) frequency. The unit is engineered to provide high isolation between transmitter and receiver, allowing simultaneous operation on a single antenna. Its design incorporates both notch and bandpass filtering techniques to achieve optimal performance in demanding radio communication environments. The 30-37-03A is suitable for base station and repeater applications where close frequency spacing and high selectivity are required.
