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BF-TD511EX Intrinsically Safe Walkie Talkie

OEM/ODM ATEX Explosion-proof
BF-TD511EX is specially designed to seamlessly connect workers facing hazards in the toughest environments. With TDMA digital technology, IP68 for water submergibility, GPS, color display and full keypad, advanced encryption and RFID, the radio helps to connect the crew for mission-critical communications.
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BF-TD511EX
Intrinsically Safe Walkie Talkie
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Highlights

ATEX Certification

Based on the design of the explosion-proof circuit and the anti-drop structure, BF-TD511EX can play excellent performance and secure efficiency. The ATEX certification optimal stability and safety meet the challenges of explosive work environments. 

IP68 Protection

BF-TD511EX is tightly sealed against dust, spills, sprays and unexpected showers, ensuring outstanding performance in challenging environments. In the environments of various combustible gases such as the chemical industry, its good sealing performance guarantees that the internal components are not eroded. The IP68 protection ensures that the whole radio is immersed in a meter deep water for 30 minutes without affecting normal communication.

Voice Recording

With a 32G memory, BF-TD511EX can support over 400 hours’ communications. It allows you to record and share your voice easily, replaying your communications during the operation. For long and intensive communications, it satisfies multimode querying such as radio ID, channel number, area ID, recording time, and receiving/transmitting frequency, etc. The recording file supports playback.

Multiple Alarms

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.

TDMA True 2 Timeslots

BF-TD511EX adopts TDMA 2 timeslots technology, which allows users in wider coverage to realize better audio quality. TDMA True 2 timeslots trunking technology can dynamically allocate the spare timeslots to the group that need to talk, easing the communication pressure when multiple groups are communicating at peak times. 2 timeslots communication allows communication to flow smoothly in real time during peak services or emergencies.

Wider Communication Coverage

BF-TD511EX is equipped with sufficient signal coverage to provide reliable communications in large construction or remote areas.

Precise Positioning

BF-TD511EX supports GPS and GLONASS positioning modes, the in-built positioning mode can realize real-time tracking, displaying and sending location. The radio-to-radio positioning function can be sent and received through SMS to access each other’s location information, real-time personnel dynamics and trajectory playback, for the complex environment to provide efficient and accurate positioning.

Digital/Analog Dual Modes

BF-TD511EX supports receiving both digital and analog signals on the same channel and can automatically switch into a matching mode for efficient communications, guaranteeing the smooth transition from analog to digital mode and further reducing customer costs.

Advanced Encryption with ARC4& AES256

Apart from the inherent encryption technology from BelFone, BF-TD511EX combines it with ARC4 technology to support digital channels and random secret key encryption functions for voice, and data services.

Specifications

General
Frequency Range VHF: 136-174MHZ; UHF: 350-390MHz/ 400-480MHz/ 450-520MHz
Channel Capacity 512
Zone 32
Channel Spacing 12.5KHz/ 25KHz
Working Voltage DC7.4V (±20%)
Frequency Stability ±1.5ppm
Antenna Impedance 50Ω
Battery Capacity 1500mAh
Average Battery Life(5/5/90) Digital 16 hours; Analog 12 hours
Dimension 60.8(L)* 35.7(W)* 118.5(H) mm
Weight 250g (including battery pack)
Transmitter
Power Output High power: 3.5W; Low power: 1W
4FSK Modulation 12.5KHz data only: 7K60FXD; 12.5KHz data and voice: 7K60FXE
FM Modulation 12.5KHz: 8K50F3E/ 25KHz: 16KφF3E
Modulation Limitation +/- 2.5KHz @ 12.5KHz;+/- 5KHz @ 25KHz
FM Noise -40dB
Spurious Emission -36 dBm≤1GHz/-30 dBm≥1GHz
Adjacent Channel Power ≤-60dB
Frequency Response +1/-3dB
Digital Vocoder AMBE++
Audio Distortion ≤3%
Receiver
Digital Sensitivity 5% BER: 0.25 uV
Analog Sensitive 0.25 uV (12 dB SINAD)
Intermodulation 60dB
Adjacent Channel Selection 60dB
Spurious Suppression 60dB
FM Noise -40dB
Frequency Response +1/-3 dB
Rated Audio Power 1.5W
Rated Audio Distortion 3% (typical)
Conduction Radiation -57dBm
GPS Precision Horizontal Accuracy ≤10m (with good signal)
TTFF(first location)Cold Boot <1 minute(with good signal)
TTFF(first location)Hot Boot <10 seconds (with good signal)
Environmental Specifications
Operational Temperature -30℃~+60℃
Storage Temperature -40℃~+85℃
Dust & Water Proof IP68
Shock & Vibration MIL-STD-810C/D/E/F
Gas Protection Ex ib IIB T4 GB

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