Sepura STP8X138 ATEX
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Suitable for ATEX Zones 1/21 & 2/22
ATEX Standard
Ex II 2G Ex ib IIC T4 GbEx II 2D Ex ib IIIC T90°C Db
Description
Built for safety and simplicity
The STP8X138 meets the stringent ATEX and IECEx standards, making it intrinsically safe for use in potentially explosive atmospheres. Its IP67-rated enclosure ensures full protection against dust and water immersion, making it durable enough to withstand the harshest environments. The reduced keypad design simplifies operation, providing essential functionality without compromising usability. This streamlined interface is perfect for professionals who need reliable communication without unnecessary complexity, particularly in gloves-on scenarios or high-pressure situations.
Also available: Full Keypad Model in the Same Frequency Range
For users who require additional functionality and advanced input options, the Sepura STP8X range also includes a full-keypad model. Operating in the same frequency range of 380-430 MHz, this model offers the same ruggedness and safety certifications as the reduced-keypad version, while providing enhanced versatility for text entry, advanced messaging, and menu navigation. Whether you prefer the simplicity of the reduced keypad or the expanded capabilities of the full keypad, Sepura ensures a solution to meet your specific operational requirements.
Features optimized for safety-critical operations
The Sepura STP8X138 is packed with features specifically designed for professionals working in hazardous environments:
- Man Down and Motion Detection: These features monitor user activity, automatically triggering alerts in the event of a fall or lack of movement, ensuring immediate action in emergency situations.
- Integrated GPS Tracking: Real-time location data allows teams to track personnel efficiently, improving coordination and response times in emergencies.
- TETRA communication versatility: The device supports essential communication functions such as group calls, private calls, emergency alarms, and text messaging, offering flexible options to meet diverse operational needs.
- Customizable ATEX-certified accessories: Compatible with a wide range of certified headsets, microphones, and carrying options, the STP8X138 adapts to unique user requirements while maintaining safety standards.
A streamlined solution for critical communication
The Sepura STP8X138 combines durability, simplicity, and advanced safety features in a compact, intrinsically safe TETRA two-way radio. Its reduced-keypad design makes it easy to use while maintaining the high standards required in explosive or hazardous zones. Whether it’s ensuring worker safety with Man Down and motion detection, or providing clear and reliable communication through TETRA networks, the STP8X138 is the trusted choice for professionals who need streamlined, mission-critical tools. If your operations require more advanced functionality, consider the full-keypad model within the same STP8X range, offering additional capabilities while maintaining the same rugged design and safety certifications.
Contact SMELT today to learn more about the Sepura STP8X138 and its full-keypad counterpart, or request a quote. Our experts are ready to help you find the perfect solution for your specific requirements.

Package Contents
The STP8X138 from Sepura comes standard with the following items:
Productname | Sepura STP8X138 Ex ATEX Two-Way Radio |
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Model number(s) | STP8X138 - 380-430 MHz - Reduced Keypad |
Battery | Sepura Lithium Polymer 1400 mAh ATEX battery (STP8X Battery - 300-00910) |
Antenna | Sepura UHF ATEX antenna (various options) |
Charger | Sepura belt clip (STP8X Belt Clip - 300-00908) |
Carry accessory | Sepura single desktop charger and psu (300-00908 + 300-02000) |
Documentation | Short manual, safety instructions, and RTTE information |
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Sepura STP8X138 specificaties
General Features
Manufacturer | Sepura |
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Article number | STP8X138 |
Product name | Sepura STP8X138 ATEX |
Dimensions and Weight
Dimension | 139 x 61 x 44 mm |
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Weight | 338 g |
Battery Features
Battery Type | lithium polymer 1400 mAh |
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Battery removable | Yes |
Audio Features
Internal speaker | Yes |
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External connection | Yes |
Display & Key Features
Display type | Yes, LCD color display |
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Backlight | Yes |
Keypad | Yes, menu keys |
Emergency button | Yes, emergency button |
Programmable keys | Yes |
Suitable for gloves | Yes |
Connection Features
WiFi | No |
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Bluetooth | Yes |
GPS | Yes |
Transmit & Receive Features
Technic | TETRA digital |
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Frequency band | UHF |
Frequency | UHF: 380 - 430 MHz |
Transmitting power | Class 4 (1W) |
Channel bandwidth | 12.5 kHz |
Environmental Features
IP standard | IP67 |
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ATEX-Standard | Ex II 2G Ex ib IIC T4 GbEx II 2D Ex ib IIIC T90°C Db |
ATEX-zone | 1/21 & 2/22 |
Sepura STP8X138 downloads
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Need Greater Coverage or More Capacity?
In addition to our extensive selection of two-way radios, mobile radios, and base stations, we also offer complete analog, digital, and TETRA networks. With these networks, you can easily expand your coverage area or create additional capacity.