Bird - The RF Experts
73-90-11 Series
T-Pass Transmit Combiners
73-90-11 Series

73-90-11 Series, 806-960 MHz, T-Pass® Combiners
Bird,Technologies, TX RX System brand time-proven combiners and multicouplers provide design security for any multichannel radio system.

Model Numbers Isolator Load Power Weight, Single Channel Weight, Expansion Channel
73-90-11-2C-NN 5W/90W 31 (14.0) 12 (5.4)
73-90-11-2D-NN 5W/100W 32 (14.5) 13 (5.9)

73-90-11 Series Systems (6.625"Cavity Diameter)
Tx-Tx Separations Cavity Loss
1 MHz -1.25 dB
500 kHz -1.25 dB
450 kHz -1.25 dB
250 kHz -1.80 dB

Loss (dB) vs. No. of channels
Tx-Tx Separations 2 3 4 5 8 10
1 MHz -2.1 -2.3 -2.4 -2.5 -2.8 -3.0
500 kHz -2.3 -2.8 -3.0 -3.2 -3.6 -3.9
450 kHz -2.4 -2.9 -3.2 -3.4 -3.9 -4.1
250 kHz -3.1 -3.8 -4.1 -4.4 -4.9 -5.2
Request Info
T-Pass Transmit Combiners
73-90-11 Series
Downloads:
compatible devices:
21-86A-11-xx-T Series
806-824 MHz, T-Pass Expansion Channels
21-87A-11-xx-T Series
851-869 MHz, T-Pass Expansion Channels
21-93-11-xx-T Series
870-890 MHz, T-Pass Expansion Channels
21-95-11-xx-T Series
935-960 MHz, T-Pass Expansion Channels
21-96-11-xx-T Series
929-932 MHZ, T-Pass Expansion Channels
21-98-11-xx-T Series
940-960 MHz, T-Pass Expansion Channels
accessories:
93-00 Series
T-Pass, Transmit Combiner Racks