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LLP302, LLPG304, LLPG302

LLPG304 (LTE, UHF, GNSS)

Public-Safety LTE, UHF, and GNSS Surface-Mount Antenna

The LLPG304 combines LTE coverage including FirstNet frequencies, 450–470 MHz UHF land-mobile radio, and active GNSS in one low-profile public-safety antenna.

  • Combines cellular, UHF LMR, and GNSS in one three-cable install.
  • Covers FirstNet frequencies and 450–470 MHz public-safety radio.
  • Adds multi-constellation positioning without another roof-mounted antenna.
  • Fits between vehicle-roof obstructions with a 1.25-inch profile.
  • Sealed construction protects critical connections from dust and water intrusion.
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Customization: Cable type, cable length, and connectors can be configured for specific installation requirements.

Product Description

Three Public-Safety Functions. One Housing.

The LLPG304 combines broadband LTE, 450–470 MHz UHF land-mobile radio, and active GNSS in one low-profile antenna designed for public-safety vehicles and related fixed installations.

Cellular and FirstNet-Frequency Coverage: The cellular element covers 694–960 and 1710–4200 MHz, including the 758–798 MHz frequencies used by FirstNet broadband systems.

Dedicated UHF Land-Mobile Radio: A separate 450–470 MHz element provides a direct RF path for supported public-safety UHF radio equipment.

Navigation and Tracking Built In: Active GNSS accesses GPS, Galileo, GLONASS, QZSS, and BeiDou through a third connection.

Public-Safety Vehicle Fit: The 9.00 × 3.50 × 1.25-inch enclosure fits constrained roof areas while consolidating three separate wireless functions.

Protected Mobile Construction: The properly mounted stud configuration carries an IP69K rating and is documented for −40 °C to +80 °C operation.

The LLPG304 reduces the number of roof-mounted antenna units required for cellular, UHF, and positioning systems.

Ideal Applications

  • Public safety
  • FirstNet 700 MHz broadband
  • UHF land mobile radio
  • Tall vehicles with height restrictions
  • Fixed sites with vandalism risk

Example Model Configurations: LLPG304-3C3C2C-BLK-180

Key Specifications

Feature Specification
Technology 4G LTE; UHF land mobile radio; active GNSS; GPS; Galileo; GLONASS; QZSS; BeiDou
Frequency

Cellular: 694-960 MHz; 1710-4200 MHz

UHF: 450-470 MHz

GNSS: 1561; 1575; 1602 MHz
Gain

Cellular: 3 dBi at 694-960 MHz; 4 dBi at 1710-4200 MHz

UHF: 3 dBi at 450-470 MHz

GNSS: 5 dBi RHCP
Configuration 1× cellular, 1× UHF, 1× GNSS; three RF feeds
Polarization

GNSS: RHCP
Connector / Cable

Cellular / UHF / GNSS connector: SMA plug (male)

Cellular / UHF cable: LL-195

GNSS cable: RG-174

All paths cable length: 15 ft (4.5 m)
GNSS

Systems: GPS; Galileo; GLONASS; QZSS; BeiDou

Type: Active

LNA gain: 26 dB

Bias: 2.7-5 VDC; 10 mA typical / 20 mA max
Mounting Through-hole; ground-plane dependent
Ground Plane Required; family manual recommends a 1 sq ft ground plane
Dimensions 9.00 in long × 3.50 in wide × 1.25 in high (228 × 89 × 31.8 mm)
Material

Housing: ASA UV-inhibitive plastic
Environmental Rating IP69K (stud mount, when properly mounted)
Environmental Qualifications IEEE 1478; EN 61373; MIL-810G; TIA 329.2-C
Compliance RoHS compliant
Operating Temperature -40°C to +80°C

Models & Configurations

Model / Configuration Configuration Details
LLPG304-3C3C2C-BLK-180 GLONASS/GPS; 694-960/1710-4200 MHz; 450-470 MHz; 3 cables; Black; Cable: LL-195; RG-174; SMA Plug; Cable length: 15 ft

Tech Documents & Resources

LLPG304 Spec Sheet

File size: 256.65 KB
Created: 10-06-2020
Updated: 11-10-2023
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LLP304 Series Radiation Pattern

File size: 207.44 KB
Created: 22-05-2020
Updated: 22-05-2020
Hits: 1700
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