FT4 Ex TETRA Handset

The FT4 Ex is an efficient TETRA radio handset specially designed for professional users. It has all functionalities of the FT4, but offers the intrinsically safe feature for use in highly sensitive environments. With its top equipment protection level, the funktel FT4 Ex fulfills highest health and safety requirements for equipment and can be used even in hazardous explosive atmospheres with conductive dust or special gases (i.e. hydrogen, acetylene, and mine gas) that are found in the chemical industry, in special refineries, or in mining industry.

Gas: II 2G Ex ib IIC T4 Gb
Dust: II 2D Ex ib IIIC T125°C IP6X Db
Hazardous Mining: I M2 Ex ib I Mb

The FT4 Ex is safe for use in gas and dust atmospheres with a high risk of explosion and is certified in accordance with the strict European ATEX as well as international IECEx directives:

Funktel FT4 Ex Specifications

  • Radio standard: TETRA (Trans European Trunked Radio)
  • Dimensions: 145 x 60 x 36 mm (without antenna)
  • Weight: 384 g incl. battery FT4 Ex 1700 mAh
  • Protection class: water, dust and shock protected – IP 65
    • water-jet and dust proof acc. IEC 60529
  • Ring tone volume: max. 96 dB (A) at 30 cm distance1
  • Frequency range: 380-430 MHz or 410-470 MHz, others upon request
  • Channel Spacing: 25 kHz
  • Duplex Spacing: 10 MHz (at 380-470 MHz)
  • RF Transmission power: 1 W, performance class 4
  • Emission class: 25K0/W7D/W
  • Receiver class: A&B
  • Transmission power regulation: 3 steps of 5 dB

Fully integrated sGPS Receiver

  • Sensitivity: 182 dBw (-152 dBm) / 185 dBw (-155 dBm) (Acquisition / Tracking)
  • Accuracy: 5 meter (50% probability), 10 meter (95% probability)
  • Protocol ETSI Location Standard Reporting (LIP)
  • Intrinsically safe according to highest ATEX & IECEx standards
  • Extremely robust with enhanced impact resistance according to mining standard
  • High resolution 2,2’’ TFT colour display
  • IP 65-class protection suitable for outdoor use (dust-tight and water jets protected)
  • Illuminated, clearly demarcated keys for easy use – even with gloves
  • Two microphones
  • Large red emergency button
  • Emergency call in TMO and DMO mode
  • Vibration alarm
  • Individually assignable function keys
  •  Integrated GPS receiver
  •  Various memory card slots
    • MicroSD card for storage of user-specific settings and parameters
    • SIM card for E2E encryption

Explosion Protection

  • ATEX (Mining / Gas / Dust)
    • BVS 11 ATEX E 083 X: I M2 Ex ib I Mb / II 2 G Ex ib IIC T4 Gb / II 2D Ex ib IIIC T125°C IP6x Db
  • IECEx (Mining / Gas / Dust)
    • IECEx BVS 11.0099X: Ex ib I Mb / Ex ib IIC T4 Gb / Ex ib IIIC T125°C IP6x
  • Operating time: up to 14 h (5/5/90, without GPS), up to 18 h
  • Battery: Ex battery lithium ion, 3.7 V, 1700 mAh, incl. vibration
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