Description

Retevis RB48D DMR Walkie Talkie with AI Noise Reduction and IP67 Protection

Retevis RB48D is an industrial-grade DMR digital two way radio from the RB48 series. It adopts DMR system with AI noise reduction, equipped with 512 channels and 16 zones, plus ARC4, AES128 & AES256 encryption for secure communication. Built with IP67 waterproof and dustproof rugged housing, it stably works at temperatures ranging from -30℃ to 60℃. It also retains classic practical designs including dual PTT buttons, VOX hands-free operation and long battery life. Additionally, the RB48D supports CPS software for preset message storage to recall it instantly on site. Ideal for high-rise construction sites and on-site team work, this digital walkie talkie delivers clear, anti-interference and reliable all-day onsite communication.

Retevis RB48D industrial DMR walkie talkie with AI noise reduction in a waterproof IP67 housing

5W UHF Power for Coverage Across Large Industrial Sites

Boasting powerful 5W output, RB48D delivers strong signals and extensive coverage, keeping you seamlessly connected across sprawling large construction sites.

AI Noise Reduction: background noise Filtering, howling elimination, and accurate human voice extraction Long Battery Life: 2000mAh Li-ion battery for long time working Encrypted Communication: Protects communication privacy and business confidentiality with AES-256 encrypted calls Rugged IP67 Protection: built with IP67-rated waterproof and dustproof construction for reliable use. Type-C Charging: convenient Type-C port for easy daily charging

AI Noise Reduction for Loud Job Sites

Machinery, impact noise and crowd chatter drown out the words that matter on a busy site. The RB48D's AI noise reduction isolates the human voice from that background so instructions come through on the first attempt — whether your team is working beside a running engine, in a packed venue, or out on the apron where equipment noise never stops.

Retevis RB48D DMR radio showing AI noise reduction cutting machinery and background noise

DMR Digital and Analog Dual Mode Communication

Compared with analog radios, DSP digital processing provides noise reduction, error correction, and clearer voice quality, ensuring more stable communication performance in complex environments.

Retevis RB48D DMR digital and analog dual mode two way radio for clear voice transmission

Dual Mode Communication

The RB48D enables quick switching between DMR Digital and Analog working modes to meet diverse communication demands across various work sites without format limitations. DMR digital technology provides clearer voice quality, while analog mode maintains compatibility with existing radio systems.

Retevis RB48D DMR digital walkie talkie with analog mode and IP67 waterproof design

IP67 Waterproof, Dustproof and Drop Resistant Housing

IP67-rated waterproof and dustproof design provides protection against water immersion up to 1m for 30 minutes and dust particles, ensuring dependable operation in challenging industrial environments.

Retevis RB48D IP67 waterproof and dustproof DMR walkie talkie for construction job sites

Rugged PC and TPE Housing Built for Harsh Sites

PC and TPE housing combines strength, durability, and impact resistance, helping the radio withstand daily drops, bumps, and demanding job site conditions for reliable long-term use.

Retevis RB48D rugged PC and TPE housing DMR radio built for harsh industrial environments

Wide Temperature Range from -30C to 60C

As Retevis's first industrial-grade digital two way radio, RB48D is designed for reliable performance in extreme conditions. It supports stable operation across a wide temperature range of -30℃ to 60℃, making it fully suitable for a variety of industrial work environments.

Retevis RB48D DMR radio operating from -30C to 60C in extreme hot and cold work sites

Up to 14 Hours of Talk Time on a Single Charge

A 2000mAh battery delivers at least 14 hours of continuous talk time and over 30 hours of standby, so a single charge covers a full shift without a mid-day battery swap. Teams running double shifts or outdoor sites with no reliable power can top up over USB Type-C or drop the radio onto a desktop charging base.

Retevis RB48D 2000mAh DMR walkie talkie with 14 hours of talk time for full shift use

512 Channels, 16 Zones and 128 Contacts for Large Teams

With 16 zones, 512 channels, and storage for up to 128 contacts, the RB48D provides flexible communication management for large teams and multiple work groups, making it easier to organize and coordinate complex operations.

Retevis RB48D DMR radio with 512 channels, 16 zones and 128 contacts for large teams

One-Touch Single, Group and All Call Modes

Multiple calling modes including single call, group call, and all call enable fast communication with specific users, selected team members, or the entire team.

Retevis RB48D DMR walkie talkie supporting single call, group call and all call modes

AES256 Encryption for Confidential Work Traffic

Not every conversation on site should be overhead. The RB48D offers ARC4, AES128 and AES256 encryption so security, management and event teams can choose the protection level their traffic requires, from routine coordination to confidential operations. When existing Motorola radios use the same encryption mode, the RB48D interoperates with them normally — a practical route for teams phasing in new radios without replacing a working fleet.

Retevis RB48D DMR radio with AES256 encryption for secure confidential work communication

Multi-Layer Charging Protection with 5V/1A and 5V/2A Support

The RB48D is compatible with both 5V/1A and 5V/2A charging specifications. Its built-in charging protection system with low voltage, overcurrent, overvoltage, and temperature protection helps prevent charging risks and ensures safe, reliable power management during daily operation.

Retevis RB48D USB Type-C charging DMR radio with multi-layer charging protection system

Man Down Alert for Lone Workers and High Risk Tasks

Tailored for high-risk work scenarios, RB48D features a man-down alert system. It detects abnormal tilting via angle sensing and automatically triggers alarms to promptly alert teammates when workers fall down. It also supports multiple customizable alert methods such as private alert and voice alerts, providing enhanced safety protection during operations.

Retevis RB48D DMR walkie talkie with man down alert for lone worker and high risk safety

VOX Hands-Free and Dual PTT for Gloved Operation

Equipped with VOX hands-free voice activation and dual PTT buttons. You can talk without pressing keys, and trigger transmission conveniently from multiple angles amid busy onsite work.

Retevis RB48D DMR radio with VOX hands free and dual PTT buttons for gloved operation

Reliable Communication, Built for Demanding Worksites

The Retevis RB48D is an industrial DMR walkie talkie for teams that cannot afford to mishear. AI noise reduction filters out machinery and crowd noise to pull the human voice forward. IP67 waterproofing and a rugged shell survive rain, dust and drops, and -30C to 60C operation covers freezing sites. 512 channels, AES256 encryption and a man down alert suit construction and security crews.

Retevis RB48D industrial DMR walkie talkie with AI noise reduction in a waterproof IP67 housing

Retevis RB48 series DMR walkie talkies with rugged design, IP67 waterproof protection and digital communication featuresRetevis RB48D industrial DMR walkie talkie with AI noise reduction in a waterproof IP67 housing

Spec

Frequency Range UHF (400-470 MHz)
Transmit Power

400-470:5W:[email protected]

1W:[email protected]

Bandwidth 12.5kHz / 25kHz
Channels 512 Channels, 16 Zones
Contacts 128 Contacts
Charging Time <4.2h (5V/2A); <5.5h (5V/1A)
5590 Battery Life ≥14 Hours
Standby Time >30 Hours
Waterproof Rating IP67
Battery 2000mAh Lithium Battery
Audio Interface 2.5mm Single-pin Interface
Charging Interface TYPE-C Port, Supports Charging & Programming (Specific Programming Cable Required)
Knob Switch Supports Power On/Off & Volume Adjustment
Side Key 1 Long Press: VOX Adjustment;Short Press: Power Switching
Side Key 2 Long Press: Start Scanning (Default Channel Scan);Short Press: Noise Reduction Switch
Dual PTT Enables Normal Two-Way Radio Communication

FAQ

The RB48D is an industrial-grade DMR digital two way radio. Its core features are AI noise reduction, IP67 waterproof and dustproof protection, a rugged PC+TPE housing, 512 channels across 16 zones with 128 contacts, ARC4/AES128/AES256 encryption, a man down alert, a 2000mAh battery with at least 14 hours of talk time, VOX hands-free operation and dual PTT buttons. It works in DMR digital and analog modes and operates from -30°C to 60°C.

The RB48D's AI noise reduction is optimized to filter out common site noise such as machinery, impact sounds and crowd chatter, while isolating the human voice. It is designed for demanding environments where standard radios struggle — for example manufacturing floors, construction sites, busy venues and airside operations where equipment noise is constant. It can be switched on or off with a short press of Side Key 2.

The RB48D is the DMR digital model: 512 channels, ARC4/AES encryption, AI noise reduction, a man down alert and dual digital/analog mode, and it is aimed at industrial, construction and security teams. The RB48 Plus is the GMRS analog model with 30 channels and 5W power for large properties and farms. The standard RB48 is the license-free FRS model with 22 channels, ideal for events, families and small teams. All three share the IP67 waterproof, dustproof and rugged construction.

The RB48D is a DMR digital radio operating on UHF 400–470 MHz, which is a licensed business/industrial band in most countries rather than a license-free consumer band. Requirements differ by country and region, so please confirm the licensing rules that apply to your operation before transmitting. If you need a license-free option for the same rugged IP67 form factor, the FRS version of the RB48 may suit you better.

In many cases, yes. Where Motorola devices use the same encryption mode, the RB48D can interoperate with them normally, which lets teams phase in new radios instead of replacing a working fleet in one go. Compatibility depends on frequency, channel configuration and encryption settings, so we recommend sharing the model and programming details of your existing radios with our team before you order.

The 2000mAh battery provides at least 14 hours of continuous talk time and over 30 hours of standby, enough for a full shift without a battery swap. Charging takes under 4.2 hours with a 5V/2A supply or under 5.5 hours with 5V/1A. You can recharge over the USB Type-C port directly or use a desktop charging base, and multi-unit six-way and ten-way chargers are available for larger fleets.

The RB48D has a built-in angle sensor that detects abnormal tilting. If a worker falls, the radio automatically triggers an alert to notify teammates, and you can customize the alert method — for example a private alert or a voice alert. It is designed for high-risk and lone-worker scenarios such as construction, heavy industry, security patrols and remote sites.

The RB48D supports CPS programming, so you can set channels, zones, contacts, encryption keys and preset messages that can be recalled instantly on site. Programming is done over the USB Type-C port with a specific programming cable. The RB48D Programming Software is available to download from the Relevant Documents section on this page in both X86 and X64 versions.

The RB48D uses a 2.5mm single-pin audio interface, so it is compatible with the same 2.5mm single-pin earpieces and speaker microphones used across the RB48 series. For fleet use you can pair it with the RTC48P six-way or RTC48T ten-way multi-unit charger. It can also be ordered together with the RT97P repeater in bundle packages covering 4, 6, 10, 12 or 20 radios — a practical setup for large sites where handheld-to-handheld coverage is not enough.

RelevantDocuments

Software

RB48D-Programming-Software-V1.4.0 (X86)
112.62 MB zip
RB48D-Programming-Software-V1.4.0 (X64)
118.56 MB zip
RB48D-Programming-Software
9.5 KB zip

Reviews

Customer Reviews

0
Based on 0 reviews
Quality
Ship
Other

Write a review

Your rating:

All Reviews

Loading...

Add To Cart

Availability: In Stock

products.goods.vendor: HVL

products.goods.productType: Caps

$135.00$99.00
The standard chunk of Lorem Ipsum used since the 1500s is reproduced below for those interested.
  • image
  • image
  • image
  • image
  • XS
  • S
  • M
  • L
  • XL
Compare
DELIVERY
  • Dispatch: Within 24 Hours
  • Free shipping across all products on a minimum purchase of $50.
  • International delivery time - 7-10 business days
  • Cash on delivery might be available
  • Easy 30 days returns and exchanges
RETURNS

If you do not like the product you can return it within 15 days - no questions asked. This excludes bodysuits, swimwear and clearance sale items. We have an easy and hassle free return policy. Please look at our Delivery & Returns section for further information.

Product Question

The file link will be sent to your mailbox via email