Bird Technologies Group - Compact Ceramic Transmit Combiners


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larger image		Compact Ceramic Transmit Combiners Bird Technologies Group, TX RX Systems brand, Ceramic Transmit Combiners combine multiple transmitters onto a single antenna. With a footprint that’s more than 50% smaller than comparably performing 10” cavities. This optimizes valuable space for your radio equipment, which in an era of escalating lease costs, makes it the perfect solution for expansion. And because of our modular design, you can purchase in single-channel increments.

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Item	44-83C-50-1D-A Series 763-776 MHz, Ceramic Transmit Combiner	44-83D-50-1D-A Series 851-869 MHz, Ceramic Transmit Combiner

Frequency Range (MHz)	763-776 MHz	851-869 MHz

Number of Channels	2, 4, 6, 8

Isolator Type	Single Junction

Isolation, Tx-Tx	32 dB (min.)

Isolator Ant-Tx	20 dB (min.)

Insertion Loss @ ch spacings	500 kHz 2 channels: <2.7 dB 4 channels: <3 dB 6 channels: <3.3 dB 8 channels: <3.3 dB 250 kHz 2 channels: <3 dB 4 channels: <3.3 dB 6 channels: <3.6 dB 8 channels: <3.8 dB 150 kHz 2 channels: <3.8 dB 4 channels: <4.1 dB 6 channels: <4.4 dB 8 channels: <4.7 dB

Continous Power per Channel	110 W

Minimum Return Loss @ Feedline	3 dB (due to antenna system failure)

Input Return Loss	20 dB

Output Return Loss	>10 dB

Input/Output Connectors	N(F) input 7/16 DIN (F) output

Operating Temperature (°C)	-10 to +55°C

Height (nominal)	2 channels: 7" 4 channels: 7" 6 channels: 10.5" 8 channels: 14"

Width (inches)	19-in Rack Mount

Depth (inches)	<10"

Weight [lbs (kg)]	2 channels: 13 lbs. 4 channels: 27 lbs. 6 channels: 40 lbs. 8 channels: 53 lbs.

List Price	QUOTE