1. Konec produktuview
The Retevis NR40 is a professional-grade DMR two-way radio designed for reliable communication in demanding environments. It features a 5W high-range transmission, advanced DSP technology for clear audio, AES256 encryption for secure communication, and an IP67 waterproof and dustproof rating. With a 2800mAh battery, it offers extended operational time, making it suitable for construction, logistics, and security applications.
Figure 1.1: The Retevis NR40 Digital Two-Way Radio, showcasing jeho robustní konstrukce.
Obrázek 1.2: Overview of the Retevis NR40's key features, including digital and analog compatibility, 2800mAh battery, two-way noise reduction, long range, AES256 technology, and IP67 waterproof and dustproof rating.
2. Vysvětlení klíčových funkcí
2.1 Komunikace na velké vzdálenosti
The 5W high-power walkie-talkie enables communication across 30 floors and extensive areas. Optimized antenna design ensures signals penetrate dense warehouse shelving and walls, maintaining connectivity and information flow for your team.
Figure 2.1: Visual representation of the Retevis NR40's long-distance communication capabilities, covering large areas and multiple floors.
Obrázek 2.2: Anténa view illustrating the extensive communication range of the Retevis NR40, suitable for large industrial sites.
2.2 DMR Digital Technology and Clear Audio
Professional-grade DMR digital two-way radios with advanced DSP technology filter background noise, ensuring instructions and alerts are received with clear clarity. The intelligent audio feature continuously monitors ambient noise levels and adjusts noise reduction intensity within seconds, providing clear communication whether in a quiet office or a busy communication hub.
Figure 2.3: The Retevis NR40 utilizing DMR Digital Technology with DSP for superior sound quality, filtering out forklift and loading dock noises.
Figure 2.4: Diagram illustrating the two-way digital-analog noise reduction feature, ensuring clear instructions even in noisy environments.
Figure 2.5: A graph demonstrating the intelligent audio adjustment, automatically adapting volume to ambient noise levels without manual intervention.
2.3 Secure Communication with AES256
The commercial two-way radio features a digital ARC4+AES256 system to prevent eavesdropping and ensure the security of voice communication, even in competitive business environments. It is compatible with Motorola DM4600 and XPR5000 models.
Figure 2.6: The Retevis NR40 highlighting its ARC4 and AES256 encryption technology for secure data and voice transmission.
2.4 IP67 Waterproof and Dustproof
Conquer the elements with this portable radio. It protects against dust ingress and immersion in water up to 1 meter for 30 minutes. Whether working in wet or dusty conditions, your communication remains reliable.
Figure 2.7: The Retevis NR40 demonstrating its 3-proof design, including IP67 waterproof and dustproof capabilities, built for tough warehouse conditions.
Video 2.1: Demonstration of the Retevis NR40's IP67 waterproof and dustproof capabilities, showing its resilience to water exposure.
2.5 Long-Lasting Battery Life
The DMR radio with a 2800mAh battery provides up to 20 hours of continuous operation and 90 hours of standby time, ensuring you are always available when needed, even during long shifts.
Figure 2.8: The Retevis NR40 highlighting its 2800mAh battery, offering extended use and standby time.
Figure 2.9: Detailed display of the Retevis NR40's battery features, including 2800mAh capacity, 20 hours of use, 90 hours of standby, Type-C charging, and power-saving mode.
2.6 Multiple Call Modes
Seamlessly manage team communication with the digital two-way radio. Initiate single calls for 1-on-1 conversations, group calls for team coordination, or all calls for company-wide announcements.
Figure 2.10: Illustration of the Retevis NR40's single, group, and all call modes, streamlining communication for warehouse teams.
Figure 2.11: Demonstrating effective group communication and planning of warehouse operations using the Retevis NR40.
2.7 Emergency Alarm Functions
The radio includes a dedicated alarm button and supports various alarm modes such as Local/Remote alarm, Man-down alarm, Digital alarm, and Lone worker alarm, providing instant assistance in emergencies.
Figure 2.12: The Retevis NR40 featuring a one-key emergency alarm for immediate assistance in warehouse emergencies, including a Man-Down alarm.
Figure 2.13: The Retevis NR40's Man-Down alarm feature, designed to alert in case of an operator falling or being incapacitated.
Video 2.2: Demonstration of the Retevis NR40's alarm functions, including the emergency alert sound.
3. Obsah balení
The Retevis NR40 package includes the following items:
- NR40 Digital Walkie Talkie *2
- Baterie *2
- Nabíjecí kabel typu C *2
- Belt Clip *2
- Hand Strap *2
- Návod k použití *2
- Datový kabel *1
Figure 3.1: All items included in the Retevis NR40 product package.
4. Technické specifikace
| Specifikace | Hodnota |
|---|---|
| Značka | Retevis |
| Barva | Černý |
| Počet kanálů | 128 |
| Speciální funkce | Digital and Analog, Long Range, Two-way Noise Reduction, 2800 mAh Long Battery Life, IP67 Waterproof |
| Frekvenční rozsah | 440–461.9 MHz / 468–470 MHz |
| Maximální dosah hovoru | 4.5 kilometry |
| svtage | 7.4 voltů |
| Vodotěsná úroveň | Vodotěsný (IP67) |
| Rozměry produktu (D x Š x V) | 47 mm x 60 mm x 225 mm |
| Počet baterií | 1 12V (included) |
| Úroveň hluku | 40 decibelů |
| Kompatibilní zařízení | Smartphone (for programming, likely) |
| Teplotní rozsah | -10 °C~50 °C |
| Protokol připojení | DMR |
| Hodnocení mezinárodní ochrany | IP67 |
| Číslo modelu | NR40 |
| Výrobce | Retevis |
| Země původu | Čína |
| Hmotnost položky | 1 Grams (This seems incorrect, likely a placeholder or error in source data) |
5. Nastavení a provoz
5.1 Nabíjení baterie
Before first use, fully charge the radio's 2800mAh battery using the provided Type-C charging cable. Connect the cable to the Type-C port on the radio and a compatible USB power source.
Video 5.1: Demonstration of the Retevis NR40's Type-C charging port and charging process.
5.2 Základní obsluha
- Zapnutí/vypnutí: Otočením knoflíku napájení/hlasitosti ve směru hodinových ručiček rádio zapnete. Otáčením proti směru hodinových ručiček, dokud neuslyšíte cvaknutí, rádio vypnete.
- Nastavení hlasitosti: Otáčením knoflíku napájení/hlasitosti upravte hlasitost poslechu.
- Výběr kanálu: Use the channel selector knob to choose the desired communication channel.
- Vysílání: Press and hold the PTT (Push-to-Talk) button on the side of the radio to transmit your voice. Speak clearly into the microphone. Release the PTT button to listen.
- Příjem: The radio will automatically receive transmissions on the selected channel when the PTT button is not pressed.
5.3 Pokročilé funkce
- Nouzový alarm: Press the dedicated alarm button (usually orange or marked SOS) to activate the emergency alarm. Refer to the full user manual for specific alarm configurations (Local/Remote, Man-down, Digital, Lone worker).
- Režimy volání: The radio supports single, group, and all call modes. These are typically configured via programming software.
- Redukce šumu: The intelligent audio system automatically adjusts noise reduction. No manual intervention is usually required for this feature.
6. Údržba
- Čištění: Použijte měkký, damp hadříkem k čištění vnější strany rádia. Nepoužívejte agresivní chemikálie ani rozpouštědla.
- Péče o baterie: Vyhněte se častému úplnému vybíjení baterie. Pravidelně baterii nabíjejte, i když ji nepoužíváte, abyste zachovali její životnost.
- Skladování: Pokud rádio delší dobu nepoužíváte, skladujte ho na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot.
- Anténa: Ujistěte se, že je anténa bezpečně připevněna. Nepoužívejte rádio bez antény.
7. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Žádná síla | Baterie je vybitá nebo není správně nainstalována. | Nabijte baterii. Ujistěte se, že je baterie správně usazena. |
| Nelze vysílat ani přijímat | Vybrán nesprávný kanál, mimo dosah nebo problém s anténou. | Ověřte kanál. Přesuňte se blíže k jiným rádiím. Zkontrolujte připojení antény. |
| Špatná kvalita zvuku | Slabý signál, rušení nebo zablokování mikrofonu/reproduktoru. | Move to an area with better signal. Check for obstructions. |
| Alarm se neočekávaně aktivuje | Accidental button press or sensor trigger (e.g., Man-down). | Ensure buttons are not accidentally pressed. Review nastavení budíku. |
8. Záruka a podpora
Retevis provides a 2-year warranty for the radio body and a 1-year warranty for accessories. We offer a 30-day no-reason return policy. Beyond the warranty period, service is still available, with buyers responsible for associated costs. For any inquiries, please contact us on Amazon, and we will respond within 12 hours.
Figure 8.1: Retevis customer service support information, including warranty details and contact response time.