Signal Dead Zones
Do your radios work in all corners of your facility?
Retevis Security Radios Limited Time Offer！
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Free programming cable
Free programming software
Free custom solutions
FCC compliance certification
Free programming cable
Free programming software
Free custom solutions
FCC compliance certification
Upgrade To Security DMR Radio
For Your Next Event
Military-Grade Encryption
Every Word Secured
Retevis DMR radios use AES-256 encryption to prevent eavesdropping and tampering. From daily patrols to high-risk missions, Ensuring secure and reliable team communications.
Is Your Current System Holding Your Security Team Back?
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Network Dependency
Are you relying on cellular networks that may fail during large events or emergencies?
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Security Vulnerabilities
Is your communication system encrypted and compliant with safety regulations?
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Lack of Flexibility
Can you scale your system for temporary teams or remote sites without added contracts?
IF THE ANSWER IS "NO" TO ANY OF THE ABOVE
IT MIGHT BE TIME TO EXPLORE A MODERN DMR SOLUTION.
Comprehensive Security Protection
Security Built In, Not Bolted On
Comprehensive Security Protection
Security Built In, Not Bolted On
End-to-End Encrypted Voice Protection
- Transmit End: Microphone audio is encrypted at source
- Transmission: RF signals remain fully encrypted over-the-air (anti-eavesdropping)
- Receive End: Only authorized devices can decrypt (bound to Radio ID)
End-to-End Encrypted Voice Protection
- Transmit End: Microphone audio is encrypted at source
- Transmission: RF signals remain fully encrypted over-the-air (anti-eavesdropping)
- Receive End: Only authorized devices can decrypt (bound to Radio ID)
Single/Group/All Call
- Efficient security team management
- Easy management of different security teams
- Dedicated frequencies reduce communication confusion
Single/Group/All Call
- Efficient security team management
- Easy management of different security teams
- Dedicated frequencies reduce communication confusion
Record and Playback Function
- Supports continuous 260-hour voice recording
- Facilitate subsequent security incident investigations
Record and Playback Function
- Supports continuous 260-hour voice recording
- Facilitate subsequent security incident investigations
DMR
The Next Level in Security Team Communication
DMR
The Next Level in Security Team Communication
Stay Heard, No Matter the Chaos
DMR + DSP Dual Noise Reduction
- Improve speech recognition accuracy
- Ensure security personnel hear instructions clearly
- Respond to emergencies quickly and effectively
Stay Heard, No Matter the Chaos
DMR + DSP Dual Noise Reduction
- Improve speech recognition accuracy
- Ensure security personnel hear instructions clearly
- Respond to emergencies quickly and effectively
Digital Radio Zero Clipping
Digital Radio: Zero Clipping, Zero Loss
- Zero Clipping - Perfect signal preservation
- Full Frequency Range - Crystal-clear highs & powerful lows
- True-to-Life Audio - Exceptional voice reproduction
- Pinpoint Clarity - Every word comes through distinctly
Analog Radio: Clipping & Signal Loss
- Severe Clipping - Distorted signal peaks
- Compressed Range - Muffled highs & weak lows
- Mechanical Sound - Artificial voice quality
- Blurred Details - Critical audio information lost
Triple-Layer Fault Tolerance Architecture
Physical Layer: AMBE+2™ Vocoder Dynamic Noise Reduction
- Patented voice compression algorithm
- Real-time background noise suppression
- Adaptive bitrate adjustment (2.4kbps/4.8kbps)
Data Link Layer: TDMA Slot Auto-Retransmission
- Dual-slot time division multiplexing
- Packet loss detection & instant recovery
- <200ms retransmission latency
Application Layer: CRC + Voice Prediction Compensation
- 16-bit cyclic redundancy check
- Erased frame reconstruction technology
- Context-aware speech pattern prediction
Longer Range
Stronger Security
No risk of communication interruption
- Stronger signal penetration and longer communication range
- Covering security locations with poor or no mobile signal coverage
- More stable digital signal processing to avoid signal loss or interruptions
- Connecting security personnel working in different areas
Longer Range
Stronger Security
No risk of communication interruption
- Stronger signal penetration and longer communication range
- Covering security locations with poor or no mobile signal coverage
- More stable digital signal processing to avoid signal loss or interruptions
- Connecting security personnel working in different areas
Advanced DMR Technology
No Blind Spots in Security Communication
Covers signal blind spots in complex indoor security environments(underground parking lots, shopping malls, construction sites)
Improve signal coverage for security communications in open outdoor areas(such as plazas, parks, and large event venues)
One Press = Instant Help
Emergency alert channel - one-touch direct access
Dedicated hardware button (orange), Instant Emergency Activation
- One-Touch Redirect – Instantly switches to pre-programmed emergency channel
- Priority Access – Bypasses regular traffic with system-wide alert broadcast
- Flexible Configuration – Assign any channel as emergency backup
Easy to use and train, learn to use in minutes
Ideal for rotating staff, seasonal employees, or contractor teams
- User-friendly interface
- Simple push-to-talk function
- Clear channel settings
Feature Highlights
<h2class="text-white">Twice the Channels, Half the Cost
6.25kHz Ultra-Narrowband
DMR’s 6.25kHz equivalent bandwidth doubles channel capacity within the same spectrum, reducing licensing fees while meeting high-density communication needs (e.g., airports, large events).
Right Message, Right People, Right Now
Call Hierarchy
Role-based permissions (e.g., admin → team leader → member) ensure secure and efficient communication flow.
Longer Life, Fewer Charges
Digital Power Efficiency
TDMA technology reduces power consumption by 40%, doubling battery life compared to analog mode.
Built for the Toughest Conditions
IP67 Water & Dust Resistance
Survives 1m underwater for 30 minutes and meets MIL-STD-810H standards for extreme environments.
Wireless Freedom, Uncompromised Security
Bluetooth Support
Pair with Bluetooth 5.0 headsets/mics for hands-free operation in industrial or tactical scenarios.
Upgrade Without Replacing
Digital/Analog Dual Mode
Auto-switches between analog and digital, ensuring compatibility with legacy systems while transitioning.
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