FreeSpeak II 1.9GHz O2 Wireless Beltpack

  • Designed to work at atmospheric pressure up to 75 psi
  • Operates in the 1.88-1.93GHz DECT frequency band (frequency allocation varies by country)
  • Simple 2-channel partyline operation to 5-channel intercom on the same beltpack
  • Up to 65 – 90 beltpacks on a single system
  • 7kHz audio wide band
  • Encoder Volume Swap between A&C and B&D
  • “Listen Again” message replay
  • Typical indoor range: 300 ft (90m), outdoor range: 800 ft (240m)
  • Over-the-air beltpack registration
  • XLR-4M headset connector
  • 18+ hour battery life or USB port for continuous operation
  • Uses AA alkaline or rechargeable Nickel Metal Hydride batteries
  • IP-53 rating for wet and dusty conditions
  • Built-in flashlight

The FSII O2 1.9GHz beltpack is specifically designed to work in Hyperbaric chambers safely, operating at atmospheric pressures of 5.1 atm, 517 kPa, or 75 psi with a change of +/- 26 psi per minute without damage.

Item Part Number:
  • FSII-BP19-X4-O2-US: for high pressure environments XLR-4M headset connector approved for use in USA and Canada
  • FSII-BP19-X4-O2-EU: for high pressure environments XLR-4M headset connector for use in EU countries; Australia; New Zealand; Hong Kong; Singapore

Technical Specifications

Audio Bandwidth: 200Hz-7.5KHz
No. of Full-Duplex Audio Paths: Up to 5 with individual level control (2
dedicated rotaries, 3 with menu), 2 controls and a main volume
Mode of Operation: Full duplex on all routes
Level/Talk Controls: 4 pushbuttons, a reply button and 2 rotary controls
Enter/Answer-Back Button: 1

Frequency Spectrum: 1.88-1.93MHz for EU and US cellular auto roaming
Modulation: GFSK, TDMA frame 10ms Full and Long slot
Output power: (EU) 18-22dBm, (US) 18-20dBm
Range: Typical indoor range 300ft (90m), outdoor range 800ft (240m)
Battery: 3 AA alkaline or Nickel Metal Hydride
Battery Life: 9+ hours
Headset Connector: 4-pin male
Microphone Type: Electret and Dynamic, selectable in beltpack menu
Headset Limiter: Selectable from beltpack menu

IP-53 water and dust resistance
Operating: 32º-125ºF (0º-50ºC)
Storage: 32º-150ºF (0º-70ºC)
Humidity: Between 20% and 90%, Non-Condensing
Atmospheric pressures of 5.1 atm or 75 psi

Tapered design at largest points
3.75 x 5 x 1.5 in (HxWxD)
(97 x 130 x 45mm)

9.0 oz (0.25 kg) including batteries

Associated Products

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