What Are the Best Radios for Manufacturing Plant Use?

Manufacturing plants put radio systems under a set of pressures that general commercial radios are not designed for: multi-building and multi-floor coverage, sustained machinery noise, shift operations with large user counts, and teams spread across production floors, loading areas, warehouses, and maintenance zones. The radio system has to cover all of it reliably. Whether licensed spectrum is available largely determines the architecture, but in both cases the terminal choice matters just as much as the network behind it.

This article outlines the two practical paths for manufacturing plant radio communications and identifies the Hytera terminals that best fit each scenario.

In Brief

For manufacturing plants with licensed spectrum, a Hytera DMR IP multi-site system using repeaters connected over IP is the recommended foundation. It delivers wide-area and multi-building coverage, group call with priority, digital voice quality, and the ability to migrate from existing analogue systems. The HP565 (with display and keypad) and HP505 (the simpler non-display HP5 model) are Hytera's current-generation HP5 Series DMR portables, designed for the demanding environments of industrial parks and large facilities. For plants without licensed spectrum or where rapid deployment over existing infrastructure is the priority, PoC over cellular data networks and WLAN removes the need for private RF infrastructure. The P50 and P50 Pro are the recommended PoC portables for this path.

Why Manufacturing Coverage Is a System Design Problem, Not Just a Radio Problem

A manufacturing plant is not a single open space.

It is a collection of coverage environments: open assembly floors where DMR line-of-sight propagation works well, enclosed reinforced-concrete equipment rooms that attenuate RF significantly, multi-storey logistics buildings requiring floor-by-floor signal distribution, and outdoor loading areas where workers move between structures. A single repeater on a rooftop cannot serve all of these environments reliably. The architecture must match the footprint.

The DMR IP multi-site approach addresses this through distributed infrastructure.

Multiple Hytera repeaters are deployed at strategic points across the plant and interconnected via the facility's IP network, typically through Ethernet cabling already in place for IT and operational technology systems. With roaming configured, terminals can move between coverage zones within the IP multi-site network. From the user's perspective, the network behaves as a single system: a press operator on the production floor and a forklift driver at the receiving dock are in the same group call.

Where licensed spectrum is not available or where fast deployment is the priority, PoC replaces the private RF infrastructure with cellular data networks and WLAN. PoC terminals connect through the Hytera HyTalk platform, which provides group call, individual call, positioning-based dispatch, and device management over the same data network the plant uses for other operations. A site-wide coverage and bandwidth audit is recommended before relying on WLAN for PoC to confirm the network can support PTT services in all target areas.

DMR Path: HP5 Series Terminals on an IP Multi-site Network

The HP565 and HP505 are the recommended terminals for a DMR-based manufacturing plant deployment. The HP5 Series is designed for industrial parks and large facilities, offering the durability to withstand the daily wear of a production environment alongside the audio performance needed in machinery noise.

Key confirmed specifications for both models:

• IP67 dust and water protection, 1.5-metre drop resistance, MIL-STD-tested ruggedness
• AI-based noise cancellation that filters background machinery and process noise
• USB Type-C port for programming, charging, and upgrades from a single connector
• Receiver sensitivity of 0.18 µV (-122 dBm), providing reliable communication at the edges of multi-building coverage

The HP565 includes a 1.45-inch display and keypad, allowing field operators to check group settings and navigate the menu without returning to a desk. The HP505 is the simpler non-display HP5 model, suited to roles where on-device screen navigation is not needed and where a lighter interface reduces training overhead.

The HP5 Series supports DMR digital voice, optional GPS/BDS/GLONASS positioning, and emergency call functions. Migrating from an existing analogue system is straightforward because DMR Tier II conventional systems are designed to operate alongside analogue radios in mixed-mode, protecting legacy radio investment during the transition.

For the infrastructure side, the HR65X compact repeater suits indoor floor-by-floor coverage in multi-storey production and logistics buildings, while the HR106X ultra-thin repeater is suited to equipment room installation and IP multi-site network deployment. Both interconnect via IP to form a single unified network across the plant. Confirm the repeater selection and IP network design with the Hytera team for the specific site layout.

PoC Path: P50 and P50 Pro for Spectrum-Free Deployment

For plants that do not hold a licensed spectrum allocation, or where teams need communication coverage that extends beyond the plant boundary, PoC provides the alternative. The P50 and P50 Pro connect through cellular data networks and WLAN, using the Hytera HyTalk platform to deliver group call, dispatch, and location services without private radio infrastructure.

The P50 and P50 Pro relevant specifications for manufacturing use:

• Network: LTE, WCDMA, GSM, and WLAN. PoC routes voice and data over public cellular networks and, where deployed, WLAN.
• Ruggedness: IP68, 1.5-metre drop and shock rating, Android 12.
• Audio: 2W rated, 3W maximum audio output; suitable for noisy production environments.
• Positioning: GPS, BDS, GLONASS, and Galileo.
• Battery: 4000 mAh.

The P50 Pro adds a numeric keypad, NFC, and an 8 MP camera relevant for photo capture, asset documentation, or visual recording of process conditions alongside voice communication. Additional safety features available on the P5 series should be confirmed against the regional firmware version and HyTalk platform configuration with the Hytera team.

PoC deployment can be significantly faster than a private DMR network because it requires no repeater or tower construction. However, where critical coverage depends on the plant's internal Wi-Fi, a site-wide coverage and bandwidth audit should be completed before deployment. Confirm whether the deployment depends on cloud service, local server, or WAN connectivity for redundancy planning.

Frequently Asked Questions About Manufacturing Plant Radios

Can DMR and PoC terminals communicate with each other in the same plant?

Not at the terminal level without an integration platform. Where both technologies are deployed in the same facility, Hytera's HyTalk Pro platform can interconnect DMR and PoC terminals so they can be placed in mixed broadband/narrowband groups where configured, and appear in the same dispatch view. Confirm the integration architecture with the Hytera team for the specific deployment.

Does the HP5 Series require a spectrum licence?

Yes. The HP5 Series operates as a DMR Tier II conventional radio, which uses licensed VHF or UHF spectrum. The frequency allocation, licensing process, and coordination requirements vary by country and region. Where a licence is not practical or available, the PoC path using P50 or P50 Pro is the alternative.

How many users can a DMR IP multi-site system support at a manufacturing plant?

A DMR Tier II conventional IP multi-site network can scale across multiple repeaters and buildings, with capacity determined by repeater count, available channels, and traffic patterns. For plants with larger user counts and higher concurrent call requirements, Hytera's XPT (Extended Pseudo Trunking) or DMR Tier III trunking solutions can be evaluated as a step-up capacity option. Confirm system sizing with the Hytera team.

Choose the Architecture First, Then Select the Terminal

The radio model matters, but it is secondary to whether the underlying architecture matches the plant's coverage footprint. Where licensed spectrum is available, a Hytera DMR IP multi-site system with HP565 or HP505 terminals delivers reliable, cost-efficient private network coverage across the full plant. Where spectrum is unavailable or rapid deployment is needed, P50 and P50 Pro on the HyTalk PoC platform provide immediate coverage over LTE and Wi-Fi. Visit hytera.com to connect with a Hytera specialist for a site-specific coverage and system recommendation.