Funkgeräte
Professional radio devices enable reliable, network-independent communication over short to medium distances. PMR446 devices (446 MHz, EU licence-free) are suitable for commercial use on construction sites, in warehouses and at events with ranges of 1–5 km (line of sight). DMR (Digital Mobile Radio, ETSI TS 102 361) offers higher voice quality, encrypted transmission and data services for professional applications. TETRA (Terrestrial Trunked Radio, ETSI EN 300 392) is the standard for emergency services – used by police, fire services and ambulances. HYTERA is one of the world's largest manufacturers of professional digital radio devices for all frequency bands. |
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Funkgeräte – Technical Background & Applications
Professional radio devices enable reliable, network-independent communication over short to medium distances. PMR446 devices (446 MHz, EU licence-free) are suitable for commercial use on construction sites, in warehouses and at events with ranges of 1–5 km (line of sight). DMR (Digital Mobile Radio, ETSI TS 102 361) offers higher voice quality, encrypted transmission and data services for professional applications. TETRA (Terrestrial Trunked Radio, ETSI EN 300 392) is the standard for emergency services – used by police, fire services and ambulances. HYTERA is one of the world's largest manufacturers of professional digital radio devices for all frequency bands.
We supply handheld radios, mobile radios for vehicles, accessories and replacement batteries from all major manufacturers. For licence-required frequencies (VHF/UHF DMR), we advise on approval requirements with the Federal Network Agency. Enquiries: +49 (0)7666 / 88499-0, sales@industry-electronics.com.
Application Areas
| ✓ Business Telephony & Call Centres | ✓ Authorities & Public Institutions |
| ✓ Industrial Environments & Production Halls | ✓ Hotels & Hospitality |
| ✓ Hospitals & Care Facilities | ✓ Data Centres & IT Infrastructure |
Frequently Asked Questions
▶ Are PMR446 radios licence-free? Yes – PMR446 (446.0–446.2 MHz) is licence-free and fee-free throughout the EU, regulated by EC Decision 2006/771/EC and amendments. Maximum transmit power is limited to 0.5 W ERP and antennas must be fixed. For longer ranges or data services, licensed DMR frequencies must be applied for with the Federal Network Agency. |
▶ What is the difference between analogue radio and DMR (digital radio)? Analogue radio transmits voice as a modulated electrical signal (FM). DMR (Digital Mobile Radio) digitises voice with the AMBE+2 codec, achieving higher voice quality even in poor reception, allows AES-256 encryption and data services (GPS tracking, text messages), and uses channels more efficiently via TDMA (two time slots per frequency). DMR devices are often backwards-compatible with analogue operation. |
▶ What range do professional radios achieve? Range depends heavily on terrain, buildings and frequency. Rules of thumb: PMR446 handhelds: 1–3 km (urban) to 5 km (line of sight). DMR handhelds at 5 W: 5–10 km in open terrain. DMR mobile with repeater: up to 40 km. TETRA network (emergency services): nationwide coverage. For indoor applications (production halls, buildings), we recommend range tests before purchase. |
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