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Help CenterBelfone ATEX Explosion Proof Walkie Talkie for Oil & Gas (BF-TD511EX)
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BF-TD511Ex are ATEX certified explosion-proof two-way radio designed for potentially explosive work environments in industries like oil and petroleum, chemicals, mining, emergency response, and firefighting and rescue. They also come with a rich feature kit to further empower the user to brave his work environment and complete his task. With TDMA 2 timeslots, built-in GPS, voice recording and more, BF-TD511Ex is your best explosion-proof radio solution.
IIB T4 GB
BF-TD511Ex are two intrinsically safe DMR two-way radios with an explosion-proof circuit design as well as a shatter-resistant structure. Their optimal stability and safety easily meet the challenges of explosive work environments.
Voice Recording
With a 32G memory, BF-511 Ex can support over 400 hours' communications. These radios allow you to record and share your voice easily, replaying your communications during the operation. These are two explosion-proof radios with a good and long memory.
Advanced Encryption with ARC4 & AES256
The ARC4 Technology together with AES256 keeps your communications safe and private, optimizing your information safety.
GPS Positioning
With built-in GPS, the user can track the whereabouts of a radio whenever he wants. You can know where all your workers are in real-time.
DMO True 2-slots
In direct mode, these radios support two voice calls simultaneously due to DMR two timeslots, which means two communication paths at one frequency with no extra costs.
Personnel Safety
If a worker slips or falls, the radio will immediately activate the integrated Mandown function and transmit a signal to other radios for help. The Lone Worker feature and Emergency Alarm are also available in case of any accident.
Digital/Analog Dual Modes
This enables BF-TD511Ex to receive both digital and analog signals on the same channel and can automatically switch into a matching mode for efficient communications.
IP65 Protection
BF-TD511Ex are tightly sealed against dust, spills, sprays and unexpected showers, ensuring outstanding performance in challenging environments.
Specifications
| General | |
| Frequency Range | UHF:400-480MHz |
| Channel Capacity | 1024 |
| Zones | 64 |
| Channel Spacing | 12.5KHz/25KHz |
| Operating Voltage | DC 7.4V (±20%) |
| Battery Capacity | 1500mAh |
| Battery Life(5/5/90) | Digital 16 Hours Analog 12 Hours |
| Frequency Stability | ±1.5ppm |
| Antenna Impedance | 50Ω |
| Dimensions (L×W×H) | 57(L)* 33 (W)* 119 (H)mm |
| Weight | 271g(Including Battery) |
| Transmitter | |
| RF Output Power | High Power:<2W Low Power:1W |
| 4FSK Modulation | 12.5kHz Only data:7K60FXD;12.5kHz data and audio:7K60FXE |
| FM Modulation | 12.5 kHz:8K50F3E;25 kHz:16KΦF3E; |
| Modulation Limiting | +/- 2.5kHz @ 12.5kHz;+/- 5kHz @ 25kHz |
| FM Noise | -40dB |
| Conducted Emission | -36 dBm≤1GHz/-30 dBm≥1GHz |
| Adjacent Channel Power | ≤-60dB |
| Audio Response | +1/-3 dB |
| Audio Distortion | 3% |
| Digital Voice coder Type | AMBE |
| Receiver | |
| Digital Sensitivity | 5% BER:0.25 uV |
| Analog Sensitivity | 0.25 uV (12 dB SINAD) |
| Inter modulation | 60dB |
| Adjacent Channel Selectivity | 60dB |
| Spurious Response Rejection | 60dB |
| FM Noise | -40dB |
| Audio Response | +1/-3dB |
| Rated Audio output power | 0.5W |
| Max Audio output power | 1.3W |
| Audio Distortion | 3% (Typical) |
| Conducted Spurious Emission | -57dBm |
| Environmental Specifications | |
| Working Temperature | -20℃—+60℃ |
| Storage Temperature | -30℃—+85℃ |
| Humidity | MIL-STD-810G |
| Vibration & Shock | MIL-STD-810G |
| Dustproof & waterproof | IP65 |
| Explosion Proof | Ex ic IIC T4 Gc Ex ic IIIC T100℃ Dc |
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