FreeSpeak II 2.4 GHz O2 Wireless Beltpack
The FSII O2 2.4 GHz 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.
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: 2.400-2.483MHz for EU and US cellular auto
roaming technology
Modulation: GFSK, TDMA frame 10ms full slot
Output power: (EU) 18dBm, (RoW) 22dBm
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
IP53 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 1.5in (HxWxD)
(97 x 130 x 45mm)
9.0 oz (0.25 kg) including batteries