Motorola DGP8550Ex Walkie Talkie


Motorola DGP8550Ex Walkie Talkie


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Motorola DGP8550Ex Walkie Talkie  Motorola DMR ATEX handheld Explosion-proof Radio for sale

Product Information

Threats from explosive gas, combustible dust or chemical vapours, from an oil rig to an open mine, your workers confront them daily. Safe, reliable communication is absolutely critical in such dangerous environments. That’s where the power and performance of MOTOTRBO digital radios stand out.

The DGP8550Ex combines the best of two-way radio functionality with the latest digital technology. It integrates voice and data seamlessly, offers enhanced features that are easy to use, and delivers increased capacity to efficiently connect all your crews. With exceptional voice quality, long battery life and ATEX-rated for safety, the DGP8550Ex keeps your workers connected safely and productively, wherever the job takes them.

DGP8050 Ex – Rugged, easy to use, non-display model


These high-performing portables have the highest ATEX gas explosion group rating. Ideal for hazardous work with loud noise, long shifts, rough weather and dangerous conditions including combustible dust, explosive chemicals, gas leaks, flammable hydrocarbons and more. Get all the benefits of MOTOTRBO digital technology, including greater capacity, clearer audio and long battery life. Plus radios and accessories that are ATEX-certified intrinsically safe.

The DGP8000 Ex Series is so rugged and durable, it meets the most stringent standards and has the highest ATEX rating. Whether working in an oil refinery, chemicals factory or mine, dust and water can damage radios, but the DGP8550Ex Series is designed to withstand the worst. It meets or exceeds MIL-STD-810 for exceptional durability and is IP67 rated* to keep out damaging water and dust. The DGP8550Ex Series has also been subjected to Motorola’s unique Accelerated Life Test to simulate five years of hard use.

The DGP8550Ex Series features large PTT, volume, channel knobs and programmable buttons that are easy to use, even when wearing gloves. The large, colour display (DGP8550 Ex only) and bright LED show radio status information at a glance. Plus the prominent orange emergency button enables workers to quickly call for assistance when needed.

MOTOTRBO’s IP Site Connect uses the Internet to extend coverage to workers anywhere in the world and scalable, single-site Capacity Plus expands capacity to over 1,000 users. Linked Capacity Plus combines the high user-density call management of Capacity Plus with the wide area coverage of IP Site Connect to connect crews at various locations affordably.
Use Motorola’s Application Developer Program to adapt the DGP8550Ex to your unique needs in the future – from location tracking using the built-in GPS receiver to text messaging or call logging and recording. When you want to share information or pinpoint crew locations, access all the right applications on one device.

Everything about the DGP8550Ex is designed for worker safety. Loud, clear performance and innovative features like Intelligent Audio and Transmit Interrupt help ensure messages get through in the noisiest environments. And like the radio, Motorola’s audio and energy accessories meet the most stringent ATEX standards.
An integrated man-down and lone worker feature sends an instant alert if a mishap occurs. And the bright blue colour helps ensure workers can easily identify and carry only ATEX-approved radios into hazardous environments.


  • Microphone
  • Handsets
  • earpieces


Frequency Band UHF B1 (403-470MHz)
and VHF (136-174MHz)
Zone Capacity 250
Max. No. of Conv. Channels or Personality Capacity 1000
Dimensions (H x W x L) with Li-Ion battery 138.5 x 56.7 x 39.8mm
Weight with Li-Ion battery 482.5 g
Power Supply 7.4 V Nominal
FCC Description UHF B1: ABZ99FT4091
VHF: ABZ99FT3089
Programmable Buttons 5
IC Description UHF: 109AB-99FT4091
VHF: 109AB-99FT3089
Gas Rating ATEX: Class II 2G Ex ib
IECEx: Ex ib IIC T4 Gb
Dust Rating ATEX: Class II 2D Ex ib
IIIC T130 °C Db
T130°C Db
Mining Rating ATEX: Class I M2 Ex
ib I Mb
IECEx: Ex ib I Mb
Ingress Protection (IP) Rating IP67
Typical battery life with IMPRES Li-Ion (5/5/90 duty cycle)
Note: No GOB, No GPS, Analogue Conventional
16 hrs
Typical battery life with IMPRES Li-Ion (5/5/90 duty cycle)
Note: No GOB, No GPS, Digital Conventional
19 hrs
Channel Spacing 12.5 / 20 / 25 kHz
Frequency Stability (-30° C, +60° C) ±0.5ppm
Power Output 1W
Modulation Limiting ±2.5kHz @ 12.5kHz
±4.0kHz @ 20kHz
±5.0kHz @ 25kHz
FM Hum and Noise -40dB @ 12.5kHz /
-45dB @ 20/25kHz
Conducted / Rated Emission (ETSI) 36 dBm < 1GHz, -30 dBm >1GHz
Adjacent Channel Power 60dB @ 12.5kHz, 70dB @ 20/25kHz
Audio Response TIA603C
Audio Distortion (per EIA) 3%
FM Modulation 12.5 kHz: 11K0F3E
25 kHz: 16K0F3E
Channel Spacing 12.5/20/25KHz
Frequency Stability (-30° C, +60° C, +25° C) ±0.5ppm
Analogue Sensitivity (12 dB SINAD) Typical 0.25uV
Intermodulation (TIA603C) 70 dB
Adjacent Channel Selectivity (TIA603) – 1T 60dB @ 12.5kHz / 70dB @ 20/25kHz
Adjacent Channel Selectivity (TIA603) – 2T 45dB @ 12.5kHz / 70dB @ 20/25kHz
Spurious Rejection (TIA603C) 70 dB
Rated Audio 0.5W
Audio Distortion @ Rated Audio 5%, 3% (typical)
Hum and Noise -40dB @ 12.5kHz
-45dB @ 20/25kHz
Audio Response TIA603C
Conducted Spurious Emission (ETSI) -57dBm
Operating Temperature -20 °C to +55 °C
Storage Temperature -40 °C to +85 °C
Thermal Shock MIL STD 810D, E, F, G
Humidity MIL STD 810D, E, F, G
Water Intrusion IEC-60529 IP67
Packaging Test MIL STD 810D, E, F, G
Weight 0.8 kg
Dimensions 300 × 400 × 150 cm


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