Low Band Infrastructure – Why It Still Matters & How PSI Supports It
Low-band VHF (30–50 MHz) continues to offer mission-critical value for wide-area analog networks in rugged, remote, or foliage-dense regions. Its long wavelengths provide unmatched ground-wave propagation and natural signal penetration, reducing infrastructure needs and ensuring coverage where digital systems struggle. For industries working beyond the urban fringe, low band remains essential.
Where Low Band Excels
- Extended-range communication without repeaters
- Reliable signal through hilly, forested, or obstructed terrain
- Analog deployments in cost- or power-constrained environments
Industries & Use Cases
- Utility SCADA telemetry and transmission line monitoring
- Wildland fire coordination and forestry services
- DOT & highway maintenance crews in remote zones
- Rural EMS, volunteer fire, and disaster-response fallback
- Mining, oil & gas, and off-grid industrial operations
Why Low Band Still Matters
- FM, marine & aviation spectrum remains active in low band
- Legacy land-mobile systems still depend on 30–50 MHz
- Longer wavelengths mean better foliage and terrain penetration
- Mission-critical backup where VHF/UHF or LTE fails
TPL Systèmes – European Leaders in Low Band
Since 1989, TPL Systèmes has manufactured advanced low-band solutions for professional radio users:
- Base stations & repeaters engineered for 30–50 MHz
- Rugged SCADA & telemetry radios for utilities and industry
- Mobile transceivers with analog/digital dual-mode capability
- Legacy interoperability via P25, TETRA, and analog gateways
- Redundant site control systems for high-availability networks
Learn more about their capabilities in their company overview.
PSI – Authorized U.S. Partner for TPL Low Band Equipment
Puget Sound Instrument is the official U.S. integration partner for TPL Systèmes, providing low-band solutions tailored to your environment:
- Direct access to 30–50 MHz low-band equipment and accessories
- Custom pre-configuration, firmware, and test bench certification
- System design, RF planning, and analog network optimization
- Seamless integration with dispatch consoles and repeater links
- U.S.-based repair, calibration, and long-term support
