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The range of industrial TETRA handsets

Funkwerk FT4 S Ex: Intrinsically safe TETRA Security handset—unique, Extra safe.

Funkwerk FT4 S Ex: Intrinsically safe TETRA Security handset—unique, Extra safe.

By means of specific special functions and sensors for manual and automatic alarm initiation, the funkwerk FT4 S Ex combines the highest level of intrinsic safety (explosion protection) with comprehensive personal security functions. This is the first time ever that all these features are offered together in a single TETRA handset.

Naturally, the Ex-versions in the FT4 series are also available with a GPS localisation function and additionally in the 410–470 MHz frequency band.

Gas: II 2G Ex ib IIC T4 Gb
Dust: II 2D Ex ib IIIC T125°C IP6X Db

Device characteristics
Size 145 x 60 x 36 mm
Display 2,2“ TFT, 240 * 320 Pixel (QVGA), 262.000 colours
Temperature -20 - +50°C (operation), -30 - +75°C (storage)
Protection IP65 (dust-tight and water-jets protected)
Battery 1700 mAh, incl. Vibration (for EX devices)
2700 mAh, incl. Vibration (for Non-EX devices)
Operating time up to 24h (2700 mAh) / up to 14h (1700mAh)
5% Transmit / 5% Receive / 90% Standby, without GPS
RF characteristics
Frequency range 380-430 MHz / 410-470 MHz
Channel spacing 25 KHz
Duplex spacing 10 MHz
Output power 1W , Class 4 (adjustable in 3 steps of 5dB)
Receiver Class A&B
Sensitivity -112dBm/-103 dBm (static/dynamic)
GPS (option)
Sensitivity -155 dBm / -152 dBm (Trace / Acquisition)