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LTM101 (UHF)

LTM101 (UHF)

UHF Surface-Mount Vehicle Antenna

The LTM101 is a low-profile surface-mount UHF antenna for vehicles and mobile equipment, providing 3 dBi omnidirectional gain across 420–470 MHz.

Key Features

  • Delivers 3 dBi omnidirectional UHF coverage across 420–470 MHz.
  • Handles up to 60 W for compatible vehicle radio systems.
  • Routes one UHF connection through a compact surface-mounted housing.
  • Installs through surfaces up to 1/2 inch thick.
  • IP67-rated construction protects internal components from dust and water.
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Customization: Cable type, cable length, and connectors can be configured for specific installation requirements.

Product Description

UHF Coverage in a Low-Profile Vehicle Mount.

The LTM101 is a single-element UHF antenna for vehicle roofs, mobile equipment, and compatible bulkhead installations. Its compact surface-mount housing provides 420–470 MHz coverage without adding a tall exterior antenna profile.

UHF Radio Performance: The omnidirectional element provides 3 dBi gain across 420–470 MHz and supports up to 60 W for compatible UHF radios.

Compact Surface-Mount Design: The antenna fits one UHF connection into a 5.50-inch-diameter housing that measures 2.38 inches high.

Through-Hole Installation: The feed-through stud installs through surfaces up to 1/2 inch thick and routes the attached cable below the mounting surface.

Protection for Mobile Environments: IP67-rated construction helps keep dust and water from reaching internal components. The −40 °C to +80 °C operating range protects performance across seasonal temperature extremes.

The LTM101 provides UHF coverage through one low-profile vehicle mounting point.

Ideal Applications

  • Vehicle-mounted UHF radio systems
  • Fleet and transportation vehicles
  • Mobile equipment
  • Bulkhead-mounted UHF installations

Example Model Configurations: LTM101-3C-WHT-180, LTM101-3Y-WHT-12

Key Specifications

Feature Specification
Technology UHF
Frequency

UHF: 420–470 MHz
Gain

UHF: 3 dBi
Connector / Cable

Connectors: SMA plug standard

Cable: RF-195

Length: 15 ft; 4.5 m
Mounting 7/8 in (22 mm) feed-through; 3/4 in (19 mm) thread for surfaces up to 1/2 in (13 mm); 1 sq ft ground plane recommended for stud mount
Dimensions 5.50 in diameter × 2.38 in high (140 × 60.4 mm)
Material

Housing: ASA UV-stable plastic
Environmental Rating / Qualifications

Ingress: IP67

Qualifications: IEEE 1478; EN 61373; TIA-329.2-C
Operating Temperature −40°C to +80°C

Models & Configurations

Model / Configuration Configuration Details
LTM101-3C-WHT-180 1× UHF element; Stud / through-hole; White radome; 1× LL-195; 1× SMA Plug; All cables: 180 in (15 ft)
LTM101-3Y-WHT-12 1× UHF element; Stud / through-hole; White radome; 1× LL-195; 1× N Jack; All cables: 12 in (1 ft)

Tech Documents & Resources

ltm101-spec-sheet

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Created: 10-06-2020
Updated: 10-06-2020
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