• Listen Technologies LA-122 Universal Antenna Kit
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Listen Technologies LA-122 Universal Antenna Kit For 72 and 216 MHz

Listen Technologies LA-122 Universal Antenna Kit For 72 and 216 MHz

SoundPro Item: 41590 | Part Number: LA-122

Pricing available upon request

Pricing available upon request

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  • Interchangeable Monopole And Dipole Antenna Configurations Support Custom RF Propagation Design
  • Dual Frequency Band Coverage Consolidates 72 MHz And 216 MHz Hardware Into One Deployment Kit
  • Multiple Mounting Options Enable Wall, Electrical Box, Rack, And Concealed Ceiling Installations
  • Included Grounding Base And Shielding Hardware Mitigate Electrical Interference In Complex Venues
  • Factory Terminated Coaxial Cable Eliminates Field Crimping And Connector Sourcing Delays
  • Flexible Antenna Elements Allow In-Wall Or Ceiling Installations Where Surface Mounting Is Prohibited
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The Listen Technologies LA-122 addresses the infrastructure demands of large venue assistive listening deployments where transmitter placement and coverage zones require strategic antenna positioning. Engineered for integrators managing multi-zone worship facilities, performing arts centers, and convention spaces, this kit consolidates both 72 MHz and 216 MHz antenna hardware into a single deployment package. Configurable monopole and dipole topologies allow RF propagation tailored to room geometry and listener distribution patterns without requiring separate procurement cycles for each frequency band.

Mounting flexibility defines this kit's installation advantage. Included hardware accommodates wall surface attachment, dual or single gang electrical box integration, horizontal rack-top placement, and concealed ceiling or in-wall positioning. A grounding base and shorting plate enable proper shielding in electrically noisy environments, while the 25-foot terminated coaxial run provides sufficient cable reach for typical drop ceiling or equipment rack separation. The LA-122 eliminates the need for field improvisation during ADA compliance upgrades or worship tech expansions where receiver coverage must extend beyond line-of-sight transmitter limits.

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Specifications

Dimensions
Bracket Dimensions
11 cm x 18 cm x 6.4 cm (4.5" x 7.0" x 2.5"), W x D x H
Grounding Base Dimensions
20.4 cm x 20.4 cm x 5.1 cm (8.0" x 8.0" x 2.0"), W x D x H
Mounting Plate Dimensions
11.4 cm x 11.6 cm (4.48" x 4.55")
Dipole Vertical Length
72 MHz: 203.2 cm (80"), 216 MHz: 68.6 cm (27")
Weight
Product Weight
2.0 kg (4.4 lbs)
Connectivity
Connector Type
BNC
Included Items
Antennas
Two (2) LA-102 Telescoping Top Mounted Antenna (216 MHz), Two (2) LA-106 Telescoping Top Mounted Antenna (72 MHz), Two (2) Flexible Antenna (72 MHz), Two (2) Flexible Antenna (216 MHz)
Mounting Hardware
One (1) Grounding Base, One (1) Mounting Bracket, One (1) Wall/Electrical Box Mounting Plate, One (1) Shorting Plate, One (1) Antenna Module, Two (2) Hex Kep Nuts, Two (2) Fiber Washer, Four (4) Machine Screw (#8-32×3/4"), Four (4) Tapping Screw (#8-1/2"), Four (4) Dry Anchors
Cable
One (1) 25 ft (7.6 m) Coaxial Cable – RG-58 (terminated with BNC connectors on both ends)
Documentation
One (1) Owner's manual
Shipping
Shipping Weight
3.20 kg (7.0 lbs)
Weight
2 kg (4.4 lbs)
General
D X H)
11 x 18 x 6.4 cm (4.5 x 7 x 2.5 in), Grounding Base Dimensions (W x
RF
Frequency Range
72 MHz: 72.025 - 75.975 MHz; 216 MHz: 216.0125 - 216.9875 MHz
Number of Channels
72 MHz: 57 (17 wide band, 40 narrow band); 216 MHz: 57 (19 wide band, 38 narrow band)
Antenna Type
Monopole and Dipole
Unity Gain
0 dB
Typical Range
305 m / 1,000 ft @ 72 MHz, 914 m / 3,000 ft @ 216 MHz

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