Duplexers

Duplexers Example: AWS Band Duplexer
ClearComm’s Duplexers provide low-loss splitting (or combining) of Receive and Transmit bands.  They provide high Isolation between the bands and produce some out of band rejection.

A Duplexer is a  three port device that allows use of the single antenna by both transmitter and receiver. In other words Duplexer is a device which couples the transmitter and receiver to the antenna while producing isolation between transmitter and receiver.  Both transmit and receive paths usually will have frequency bands very nearer, hence narrow band filters are used to combiner/separate these frequencies. An example of a Duplexer may be a device that accepts 1900 Band on the Common Port with 1900 Rx on one port and 1900 Tx on the other.

A Diplexer is a three port, frequency selective device used to combine/separate different frequency bands.  These bands must be separated by a ‘guard band’, thus a Diplexer cannot be used to combine like frequency bands.  An example of a Diplexer might be a device that accepts 700 Band on one port and 850 band on the other with both bands on the Common Port.

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ClearComm’s  model CCDP-620-1W is an AWS Band Duplexer covering the AWS Uplink band of 1710 to 1755 MHz and the Downlink portion of 2110 to 2155 MHz  The Duplexer provides low loss, high Isolation performance in a small, weatherized package.