SD58i Explosion-Proof Digital Two-Way Radio

Compact and Lightweight, Stable and Reliable
The SD58i Explosion-Proof Digital Two-Way Radio is a next-generation model in the SD Series, redesigned and upgraded from the inside out. Thanks to high-quality components and advanced manufacturing processes, the SD58i delivers clearer audio, extended communication range, and longer battery life.

DMR-compliant, the SD58i can operate with mainstream digital and analog radio systems. It has obtained national explosion-proof certification and China Compulsory Certification (CCC), making it suitable for harsh and hazardous environments where flammable gases or combustible dust may be present, including petrochemical, chemical, thermal power, and food processing industries.

The SD58i features a USB Type-C programming port, eliminating the need for proprietary programming cables and simplifying device configuration and maintenance.

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Product Features

Crystal-Clear Audio

DMR-Compliant

Secure Voice Encryption

Mixed Mode Scan

Integrated Alarm Functions

Private Data Read/Write

Extended Battery Life

Extended Communication Range

Product Advantages

IIB T4 Explosion-Proof Certification

The product is certified for IIB T4 gas and dust explosion protection and has also passed China Compulsory Certification (CCC), ensuring safe and reliable operation.

IP67 Ingress Protection

The device features an IP67 rating, providing protection against dust ingress and temporary water immersion for reliable operation in harsh and challenging environments.

30-Hour Loop Recording

The standard configuration supports up to 30 hours of loop recording, eliminating the need for additional recording equipment and reducing extra costs for customers requiring this function.

Smart Bluetooth Connectivity

The device features a built-in Bluetooth module and supports pairing with Bluetooth headsets and Bluetooth PTT accessories. It can also connect to in-vehicle devices.

IIB T4 Explosion-Proof Certification

The product is certified for IIB T4 gas and dust explosion protection and has also passed China Compulsory Certification (CCC), ensuring safe and reliable operation.

IP67 Ingress Protection

The device features an IP67 rating, providing protection against dust ingress and temporary water immersion for reliable operation in harsh and challenging environments.

30-Hour Loop Recording

The standard configuration supports up to 30 hours of loop recording, eliminating the need for additional recording equipment and reducing extra costs for customers requiring this function.

Smart Bluetooth Connectivity

The device features a built-in Bluetooth module and supports pairing with Bluetooth headsets and Bluetooth PTT accessories. It can also connect to in-vehicle devices.

Industry Applications

Oil and Petrochemical Industry

The petroleum and petrochemical industry is characterized by high temperatures, high pressures, and flammable and explosive environments, where comprehensive wireless signal coverage is often difficult to achieve. With extensive expertise in the industry, Dynercomm has developed and standardized a complete portfolio of hardware, software, and integrated solutions tailored to diverse production scenarios, including digital trunked radio system base stations and production dispatch management platforms. Over the years, Dynercomm has accumulated extensive experience and a strong track record of successful projects.

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Technical Specifications

General Specifications
Frequency Band	VHF	UHF
Frequency	136-174 MHz	400-470 MHz
Channel Capacity	256
Channel Spacing	Analog: 12.5 kHz / 20 kHz / 25 kHz Digital: 12.5 kHz
Battery	1800 mAh / 2600 mAh Explosion-Proof Lithium-Ion Batteries
Battery Life (5-5-90 Duty Cycle)	Digital: 16 Hours; Analog: 12 Hours Battery Capacity: 1800 mAh (Standard)	Digital: 21 Hours; Analog: 16 Hours Battery Capacity: 2600 mAh (Optional High-Capacity Battery)
Dimensions (H × W × D)	142mmX60mmX40mm
Weight	280 g (with Battery)

Environmental Specifications
Operating Temperature	-30℃~+65℃
Storage Temperature	-40℃~+85℃
Storage Humidity	≤95%
Protection Rating	IP67
Electromagnetic Compatibility (EMC)	CE Compliance
Electrical Safety	EN 60950:2000