MPN #UMC16B-941    
Lectrosonics UMC16B-941

$1645.00

Save 29.1%, MSRP $2319.00
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The UMC16B multi-coupler is used to distribute the signals from 2 antennas to 8 diversity receivers, minimizing the cabling and antennas needed in multi-channel wireless systems.



The design combines broad band ceramic filtering with low noise, high intercept point RF distribution to provide outstanding performance and flexibility. Up to eight diversity receivers or up to 16 non-diversity receivers can be utilized across a 230 MHz passband.

The UMC16B can be powered from an external supply, 12 to 18 VDC for mobile applications, or from 90 to 240 VAC for installations using the regulated power supply furnished with the unit. A locking connector on the rear panel secures the power connection.

The RF signals at the inputs first pass through a ceramic filter to block energy above and below the passband. The signal is then fed to a high current amplifier to apply the gain needed ahead of the splitter. The amplifier is a high current type with a very high IP3 (third order intercept) that minimizes intermodulation products.

The amplifier output is then distributed to the output jacks using a Wilkinson "strip line" RF splitter. Unused outputs should be terminated with 50 Ohm dummy loads for maximum performance, however, the splitter design allows unused jacks to remain un-terminated with only a slight effect on other channels (+/- 1 to 2 dB in the level at the outputs).

The unit is housed in a standard 19 inch rack mount assembly with rugged connectors.
Type: Active RF distribution system with ceramic filtering
Inputs: Two 50 Ohm BNC jack on rear panel
Third order intercept: +27dBm at input

Outputs
  • Type: 16 BNC jacks on rear panel. Eight jacks per antenna.
  • Isolation: 20 dB min, any output to any output
  • Any output can be open, shorted, or terminated without affecting other outputs.
  • Splitter type: Wilkinson 1/4 wave strip-line

  • Filter passband
  • UMC16B: 537 to 768 MHz (blocks 21 to 29)
  • UMC16BL: 470 to 692 MHz (blocks 470 to 26)
  • UMC16B-A1B1: 470 to 615 MHz (bands A1, B1)
  • UMC16B-941: 941 to 960 MHz (block 941)
  • (See serial number sticker on side panel for frequency range of your particular unit.)

    Input/Output RF gain: 0 dB nominal
    In-Band Ripple: +/-2 dB
    Temperature Range: -20C to +50C

    Power Requirements: 10 to18 VDC; overload protection provided by internal auto resetting poly fuse
    Power consumption: Nominally 500 mA at 15V DC
    Dimensions: 19 x 7.1 x 1.75 inches (487 x 180 x 45 mm)
    Weight: 3.2 lbs.; 1.45 kg.
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