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Hytera DMR Portable Radio PD79X-ex

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Two-way radios have been productivity tool for many professionals. For those who work in environments with explosive gas and combustible dusts, safety is on top of everything, where using regular radios could be unsafe.
Hytera understands what's underneath the challenges of professionals in hazardous environments. Dedicated to designing and delivering of innovative intrinsically safe communications solutions, Hytera launched PD79X* Ex, a portable DMR radio that complies with the world's strictest safety standard.

Product Features

Environmentally Safe and High Reliability

Hytera PD79X Ex is designed upon the strict requirements of European ATEX and North American FM standards. With certifications for ATEX, IECEX, the latest FM and CSA specifications, the radio works safely in most hazardous environments even with the presence of hydrogen and dust particles.The overall design complies with the latest American Military Standard-MIL-STD-810G, which makes it can bear the harshest environments like High/Low Temperature, High Humidity, Vibration, and Shock.

Enhanced Safety

Hytera PD79X Ex provides a dedicated emergency button. In case of any accident, a press on the button will trigger an alarm and initiate a voice call to a pre-programmed work fellow or group. Built-in Man-down, GPS and Lone Worker functions are also available with the digital portable.

High-capacity and Safe Li-Ion Battery

Hytera PD79X Ex provides high-capacity Li-Ion battery of 1800mAh with long shift life of 17 hours under 5-5-90 duty cycle. The battery charging and discharging circuits are stringently designed to prevent overcharging or discharging causing high heat, which leads to unstable battery environments. In addition the battery cells are also encapsulated to redistribute single point heat buildup and also prevent air discharge.

High Audio Quality and Assured Communication Based on DMR Technology

Benefitted from the advantages of DMR digital technology, PD79X Ex provides higher audio quality and stable communication performance with 40% less battery consumption than analog radios. It provides better communication quality and enhanced privacy, and moreover reduces overall equipment costs.

Easy to Use

Hytera PD79X Ex is very easy to use. It provides tough and highly readable LCD screen and intuitive user interface. The anti-skidding and fool-proofing ergonomic designs are dedicated for user easy operation. Large PPT button and channel knobs are equally useful for users wearing gloves.

* X=0, 2, 5 or 8, model number varies geographically. For details, please contact us.

Frequency Range
UHF1: 400-470MHz, VHF: 136-174MHz*
Channel Capacity
Zone Capacity
(each with a maximum of 16 channels)
Channel Spacing
Operating Voltage
7.4V (rated)
1800mAh (Li-Ion)
Battery Life
(5-5-90 Duty Cycle, High TX Power)
High-capacity 2000mAh Li-Ion Battery
Analog: 14.5h/13h(GPS)
Digital: 17h /15h(GPS)
Frequency Stability
Antenna Impedance
Dimensions (H×W×D)
(with standard battery, without antenna)
141X 55 X 39mm
Weight (with antenna & standard battery)
LCD display
160*128 pixels, 65536 color, 1.8-inch
Anti-explosion levels: ATEX

                   II 2G Ex ib IIC T4
                   II 2D Ex ib IIIC T120℃ IP5X
                   I M2 Ex ib

Anti-explosion levels: IECEx

                   Ex ib IIC T4
                   Ex ib IIIC T120℃ IP5X
                   Ex ib I

Anti-explosion levels: FM/CSA

                   Class I, Zone 1 AEx/Ex ib IIC T4 Gb
                   Class II, III Div 1,
                   Group E, F, G T120℃

RF Power Output
FM Modulation
11K0F3E @ 12.5KHz
14K0F3E @ 20KHz
16K0F3E @ 25KHz
4FSK Digital Modulation
12.5KHz data only:7K60FXD
12.5KHz data & voice:7K60FXW
Conducted/Radiated Emission
Modulation Limiting
±2.5KHz @ 12.5KHz
±4.0KHz @ 20KHz
±5.0KHz @ 25KHz
FM Noise
40dB @ 12.5KHz
43dB @ 20KHz
45dB @ 25KHz
Adjacent Channel Power
60dB @ 12.5KHz
70dB @ 20/25KHz
Audio Response
+1 ~ -3dB
Audio Distortion
Digital Vocoder Type
Digital Protocol
ETSI-TS102 361-1, 2&3
0.3μV (12dB SINAD)
0.22μV (typical) (12dB SINAD)
0.4μV (20dB SINAD)
0.3μV /BER5%
60dB @ 12.5KHz/70dB @ 20&25KHz
60dB @ 12.5KHz/70dB @ 20&25KHz
70dB @ 12.5/20/25KHz
65dB @ 12.5/20/25KHz
Spurious Response Rejection
70dB @ 12.5/20/25KHz
70dB @ 12.5/20/25KHz
40dB @ 12.5KHz
43dB @ 20KHz
45dB @ 25KHz
Rated Audio Power Output
Rated Audio Distortion
Audio Response
+1 ~ -3dB
Conducted Spurious Emission
< -57dBm
Environmental Specifications
Operating Temperature
-20℃ ~ +50℃
Storage Temperature
-40℃ ~ +85℃
IEC 61000-4-2 (level 4)
±8kV (contact)
±15kV (air)
American Military Standard
American Military Standard
Shock & Vibration
TTFF (Time To First Fix) Cold Start
<1 minute
TTFF (Time To First Fix) Hot Start
<10 seconds
Horizontal Accuracy
<10 meters

* This frequency band is in certification.

#Accurate long-term track (95% value>trackable for 5 satellites in rated-130dBm signal strength).

All Specifications are tested according to applicable standards, and subject to change without notice due to continuous development.

Contact us for pricing!