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Wireless Products


850 B Band Duplexer – 'SMR Stopper'
CCFA-239


ClearComm Technologies’ model number CCFA-239 is an 850 B Band Duplexer assembly consisting of 6 pieces of the CCDP-621 on a 19” Rack Mount Tray. It offers low insertion loss combined with specific, out of band SMR rejection. The filter is designed to pass the receive and transmit portions of 850 B band. The receive channel provides more than 55 dB rejection from 851-866 MHz and the transmit channel greater than 30 dB rejection from 896 to 901 MHz. Isolation between receive and transmits bands is greater than 80 dB. Power handling is 800 Watts average or CW and 16 kW peak. Type ‘N’ female connectors are provided on the unit. A -40 dB Tx Monitor port is included. For requirements specific to your needs, please contact ClearComm Technologies, LLC.

PARAMETER

SPECIFICATION

PASSBAND
RECEIVE
TRANSMIT


835 - 849 MHz
880 – 894 MHz

PASSBAND INSERTION LOSS

1.5 dB Max.

INSERTION LOSS VARIATION 1.0 dB Max.

PASSBAND RETURN LOSS

18 dB Min.

ISOLATION
TRANSMIT TO RECEIVE
RECEIVE TO TRANSMIT


80 dB Min.
80 dB Min.

REJECTION
ANT TO RECEIVE
851 – 866 MHz
TRANSMIT TO ANT
896 – 901 MHz


55 dB Min.

30 dB Min.
PASSIVE INTERMODS
(with two +44 dBm tones)
-110 dBm (as measured in Rx Band)

POWER HANDLING

800 W Avg. / CW
16 kW Peak

MONITOR PORT (ANT) -40 dB ±2.0 dB
OPERATING TEMPERATURE 0° to +60° C

CONNECTORS

Type ‘N’ Female (ANT, Tx, Rx)
SMA Female (Monitor)

DIMENSIONS

Approx. 11” x 11” x 2.5” (CCDP-621)

MOUNTING 19” Rack Mount Assembly holds 6 pieces of the CCDP-621 Duplexer