FC4 Ex HS Explosion Protected DECT Handset

The DECT Industrial Handset with the latest ATEX certification

The new ATEX DECT handset FC4 Ex HS marks Funktel's latest development in intrinsically safe, robust industrial handsets with DECT-based integrated voice-data communication and explosion protection.

The high-resolution, illuminated colour display, the newly designed symbol-based user interface and the keys including coloured menu keys, which are also illuminated, make operating the FC4 Ex HS extremely easy and a pleasure.

The battery can be changed by the user and offers state-of-the-art power management; the manifold configuration options for operation and signalling, messaging functions as well as extensive call lists make the FC4 series handsets extremely ergonomic, thus adding safety for operation and information.

The FC4 Ex HS is certified for usage within hazardous areas and fulfils the latest European ATEX guideline.


  • Explosion protection: gas zone 1 and 2
  • Degree of protection: IP65
  • GAP compatible
  • Headset socket for audio equipment
  • Colour display with 65,536 colours, shatterproof integration
  • Newly designed graphic user interface
  • Illuminated keys, non-abrasive, with coloured menu hotkeys
  • 20 MIDI ring tones, volume up to 92 dB
  • Individual signalling for internal, external and message (tone type, volume, duration, vibration, with temporary muting)
  • Hotkeys for local telephone directory with 500 entries
  • Self-replaceable, screw-on Li-Ion battery with exact level indicator
  • Diversity DECT antenna for better connection
  • Loudspeaker for handsfree talking



  • Explosion protection zones 1 and 2: Gas according to ATEX 2014/34/EU:II 2 G Ex ib IIC T4
  • Radio standard: DECT™ (Digital Enhanced Cordless Telecommunications)
  • Frequency range: 1.88 ... 1.9 GHz
  • Transmission power: Average: 10 mW, Peak: 250 mW
  • Dimensions: 141 x 47 x 24 mm / 141 x 47 x 35 mm (incl. clip)
  • Mass: Approx. 133 g (incl. battery and clip)
  • IP rating: IP 65 (jet-proof and dust-tight)
  • Handset operating life1: Talking: Up to 17 hours / Standby time: Up to 150 hours.
  • Charging time: Approx. 5 hours with discharged battery
  • Battery type: Li-Ion replaceable battery 700 mAh
  • Operation temperature: Handset:  –10 ... +55 °C 
  • Charging temperature: +5 ... +40 °C
  • Storage temperature (short-term): –25 ... +55 °C
  • Acoustics: Acoustic signalling: Up to 93 db(A)2 at a distance of 30 m
  • Vibration alarm: Additional or silent signalling
  • Memory MemCard (SIM-Card): 128 KB for phone book and call lists as well as all user-data

1. With/without idle display illumination
2. According to selected ring tone, suitable for use in noisy environments