funktel FC4 S Ex HS

Optimal security in hazardous industrial environments

The new ATEX DECT handset FC4 S Ex HS marks funktel’s latest development in intrinsically safe, robust industrial handsets with DECT-based integrated voice-data communication and explosion protection.  This personal emergency signal unit is designed to protect persons working solo or in potentially hazardous areas or situations. The FC4 handsets can be integrated seamlessly in any existing DECT system.

The illuminated high-resolution colour display, a newly designed symbol-based user interface and the illuminated keypad containing colour function keys make using the FC4 series a child’s play. The battery can be easily changed by the user and offers state-of-the-art power management. Combined with highly individualized configuration of usage, signalling, messaging functions and outstanding communication lists, the FC4 handset is the perfect professional communication tool, resulting in a high level of security, while offering easy operation and exact information.

The FC4 S Ex HS is certified for usage within hazardous and potentially explosive areas and fulfils the latest European ATEX guideline; Gas according to ATEX Directive 2014/34/EU: Ex II 2G Ex ib IIC T4 Gb


  • Explosion protection for gas in zones 1 and 2
  • 4 manual alarm types: big red emergency call button for emergency call alarm 1+2, separate button for warning alarm 1+2
  • Automatic alarm types: position alarm, no-motion alarm, time alarm and loss alarm to identify attack situations 
  • Localisation with inductive localisation transmitters (fine) and DECT base stations (rough)
  • Watchman control functionality with localisation display
  • Automatic safeguarding of device functions using sensor and localisation tests prior to use, 24-hour test 
  • Individual programming of the alarm types, times for pre-alarm/alarm and for the corresponding signals
  • Complete integration of emergency call functions into the unit’s operating concept
  • Intrinsically safe model for explosive gases in zones 1 and 2 
  • High signal volume for noisy environments with additional vibration alarm 
  • Color display, illuminated keys, symbol-based and colour-coded user guidance 
  • Lithium-ion technology for long battery life
  • IP65 (waterjet-proof and dust-tight)


  • Radio standard: DECT™ (Digital Enhanced Cordless Telecommunications)
  • Frequency range: 1,88 … 1,9 GHz
  • Transmission power: Average: 10 mW, Peak: 250 mW
  • Dimensions: 168 x 47 x 35 mm (incl. clip)
  • Mass: Approx. 155 g (incl. battery)
  • Ring tone volume: max. 87 dB (A) at50 cm distance(1)
  • Handset operating life(2): Talk-time: up to 15 hours / Stand-by: up to 100 hours
  • Charging time: Approx. 7 hours with discharged battery
  • Battery type: Lithium-Ion, 700 mAh
  • Operating temperature: Handset: -10 … +55 °C / Charger: +5 … +40 °C
  • Storage temperature: -25 … +55 °C (Short-term storage, max. 1 month) / 0 … +25 °C (max. 12 months)
  • Shipping temperature: -20 … +60 °C (with battery)
1)  depending on ring tone
2)  at fully charged battery, depending on display settings