RFI TLA400-70 UHF Low Profile Transit Antenna 450–470MHz – 44mm Hole Spacing

The RFI TLA400-70 Low Profile Transit Antenna is a heavy-duty UHF mobile antenna designed for professional radio communications operating across the 450–470MHz frequency range. Engineered specifically for buses, coaches, trains, emergency vehicles, and commercial fleets, the TLA400-70 combines a discreet low-profile design with outstanding durability and reliable RF performance.

Designed for permanent roof mounting using a 44mm hole spacing, this transit-style antenna is ideal for applications where a traditional whip antenna is impractical due to height restrictions, vandalism concerns, or demanding operating environments. Its rugged construction ensures dependable communications while maintaining a clean, unobtrusive appearance.

Why Choose the RFI TLA400-70?

The TLA400-70 offers reliable UHF communications in a compact, vandal-resistant design that is purpose-built for commercial transport and fleet applications.

Key Features

• Operates across the 450–470MHz UHF frequency range
• Low-profile transit antenna design
• Designed for 44mm mounting hole spacing
• Rugged weather-resistant construction
• Suitable for analogue and digital radio systems
• Omnidirectional radiation pattern
• Permanent roof-mounted installation
• Vandal-resistant design
• Ideal for buses, rail, emergency services, and commercial fleets
• Australian designed and manufactured

Low Profile Design for Commercial Vehicles

The TLA400-70 has been developed for vehicles where overall height and antenna protection are critical.

Benefits include:

• Reduced risk of impact damage
• Improved clearance in car parks and depots
• Less susceptible to vandalism
• Professional factory-style appearance
• Minimal wind resistance
• Long service life

Its streamlined profile makes it ideal for fleet vehicles operating in urban environments or under height restrictions.

Reliable UHF Communications

Designed to operate across the 450–470MHz frequency range, the TLA400-70 delivers dependable communications for professional radio users.

Ideal applications include:

• Public transport
• Rail networks
• Emergency services
• Utility vehicles
• Security fleets
• Commercial transport
• Local government vehicles
• Airport operations
• Industrial facilities
• Fleet management

The omnidirectional radiation pattern provides consistent communication while vehicles are on the move.

Built for Demanding Environments

The TLA400-70 is engineered to withstand continuous operation in harsh outdoor conditions.

Its robust construction provides:

• Excellent weather resistance
• UV-resistant materials
• Corrosion-resistant components
• Reliable long-term performance
• Low maintenance requirements
• Excellent durability in high-use fleet environments

Whether installed on buses, service vehicles, or specialist transport equipment, the antenna is built to provide years of dependable service.

Easy Integration into Fleet Vehicles

The antenna is designed for permanent roof installation using the standard 44mm transit mounting pattern, making it suitable for a wide range of commercial vehicle applications.

Installation benefits include:

• Secure roof-mounted installation
• Professional OEM-style appearance
• Reliable RF performance
• Suitable for fleet upgrades and new vehicle builds
• Compatible with professional two-way radio systems

This makes it an excellent choice for fleet operators seeking a reliable, low-maintenance antenna solution.

Typical Applications

The RFI TLA400-70 is ideally suited to:

• Public buses
• Passenger coaches
• Rail vehicles
• Emergency response vehicles
• Airport ground support
• Utility fleets
• Local councils
• Security patrol vehicles
• Commercial transport fleets
• Industrial service vehicles

Why Buy From Mobile Systems Limited?

Mobile Systems Limited supplies professional mobile radio and antenna solutions throughout New Zealand.

Our experienced team provides:

• Fleet communication system design
• Vehicle antenna selection
• Professional installations
• Radio programming
• Antenna testing and optimisation
• Fleet upgrades
• Ongoing servicing and technical support

Whether you're fitting out a single vehicle or an entire transport fleet, we can recommend and install the right antenna solution for dependable long-term communications.

Frequently Asked Questions

What frequency range does the TLA400-70 support?

The antenna is designed for professional radio systems operating between 450MHz and 470MHz.

What vehicles is this antenna designed for?

The TLA400-70 is ideal for buses, coaches, rail vehicles, emergency service vehicles, utility fleets, airport vehicles, and other commercial transport applications.

What is the advantage of a low-profile antenna?

A low-profile antenna reduces the risk of damage from low-clearance structures, minimises vandalism, improves vehicle appearance, and offers excellent durability for high-use fleets.

What mounting pattern does the antenna use?

The antenna is designed for permanent installation using a 44mm mounting hole spacing, commonly found on transit and commercial vehicles.

Is the antenna suitable for digital radio systems?

Yes. The TLA400-70 is compatible with both analogue and digital UHF radio systems operating within the 450–470MHz frequency range.

Can Mobile Systems Limited install this antenna?

Yes. Mobile Systems Limited supplies, installs, tests, and supports RFI transit antennas and complete mobile radio systems for commercial, government, and emergency service fleets throughout New Zealand.