ProfessionalI Digital Two Way Radio
DM-R358PLUS
The DM-R358PLUS digital handheld terminal features a rugged and durable design with simple operation, providing users with a reliable and user-friendly experience. Advanced narrowband voice codec and digital error correction technologies ensure clear voice communication even in noisy environments or at the edge of coverage areas, maintaining efficient connectivity. The dual-slot direct mode allows two independent calls on a single frequency without interference, effectively improving channel utilization and providing industry users with a solid foundation for daily communication and operational dispatch.
Product Orientation Map
Features
Specifications
Accessories
■Digital/Analog Smooth Migration
Supports both digital and analog modes, enabling seamless compatibility with existing systems while reducing transition costs.
■High/Low Power Switch
Provides selectable 5W and 1W power levels, allowing users to match coverage needs and extend battery life when necessary.
■Flexible Calling Services
Offers private, group, and all-call options to meet different dispatch and collaboration scenarios.
■Direct Mode Dual Slot
Enables two simultaneous calls on one frequency, improving spectrum efficiency and maintaining smooth communication during busy periods.
■AES-256 Encryption
Uses advanced AES-256 encryption to secure voice and data, helping prevent interception and unauthorized access.
■VOX
The VOX function enables hands-free operation by automatically transmitting when speech is detected. It is ideal for tasks requiring frequent communication while keeping both hands free.
■Emergency Alarm
Supports one-touch emergency alerts, helping users quickly request assistance and improve on-site safety.
■Scan Function
Automatically scans preset channels to locate available communications, ensuring messages are not missed in urgent situations.
Appearance Introduction

Product Accessories
Antenna
Belt Clip
Charger Pod
AC Adaptor
Battery
Hand Strap
| General | |
| Frequency Range |
136~174MHz,350~400MHz 400~470MHz,450~520MHz |
| Channel Spacing | 12.5 KHz / 25 KHz |
| Channel/Zone Capacity | 32 Channels / 2 Zones |
| Operating Voltage | 7.4V |
| Battery Capacity | 2200mAh |
| Battery Life (5/5/90) | Analog: 11 hours ; Digital: 14 hours |
| Vocoder Type | AMBE+2 |
| Frequency Stability | ±1.0ppm |
| Antenna Impedance | 50Ω |
| Dimensions (without Antenna) | 5.39"H × 2.40"W × 1.69"D(137*61*43mm) |
| Weight | 10.58oz(300g) |
| Ingress Protection (IP) Rating | IP54 |
Receiver
Analog Sensitivity
0.2μV (12dB SINAD)
Digital Sensitivity
0.22μV (Typical) (BER 5%)
Adjacent Channel Selectivity
60dB @ 12.5KHz / 65dB @ 25KHz
Intermodulation Rejection
60dB @ 12.5KHz / 60dB @ 25KHz
Blocking
84dB @ 12.5KHz /84dB @ 25KHz
Co-Channel Rejection
-12dB @ 12.5KHz /-8dB @ 25KHz
Spurious Response Rejection
65dB @ 12.5KHz / 65dB @ 25KHz
Rated Audio Output Power
1.0W /16Ω
Conducted Spurious Emission
<-57dBm(9KHz~1GHz)
<-47dBm(1GHz~12.75GHz)
Transmitter
RF Power
1W (Low) / ≤5W (High)
Power Margin Variation
+2/-3dB (under Extreme Conditions)
Frequency Error
±1.0ppm
FSK Error
<5%
4FSK Transmission
Bit Error Rate (BER)
≤1×10-4
4FSK Modulation
Frequency Deviation Error
≤10.0%
Occupied Bandwidth (PDT/DMR)
≤8.5KHz
TX Attack/Release Time
≤1.5ms
Adjacent Channel Power
≤-50dB @12.5KHz /≤-60dB @25KHz
Transient Adjacent Channel Power
≤-50dB @ 12.5KHz / ≤-60dB @ 25KHz
FM Modulation
16K0F3E @25KHz/
11K0F3E @12.5KHz
4FSK Digital Modulation
12.5KHz(data only):7K60FXD
12.5KHz(data+voice):7K60FXE
Audio Distortion
≤3% @ 40% Deviation
Audio Response
+1 ~ -3dB
FM Hum and Noise
40dB @ 12.5KHz / 45dB @ 25KHz
Spurious Emission
≤-36dBm (9KHz~1GHz)
≤-30dBm (1GHz~12.75GHz)
*The above specifications are tested in accordance with applicable standards. Due to the continuous development of technology, the above index data are subject to change without notice.
Product accessories
Antenna
Belt Clip
Charger Pod
AC Adaptor
Battery
Hand Strap
About Us
Products
Solution
Contact Us
Service line
+86-(0)595-22471179
#5, Chongxiang Street, Econ.&Tech. Area, Quanzhou, Fujian, China.
WeChat:+86-15257537337; +86-13615902728
E-mail:sales@cnlisheng.com