Digital wireless beltpack 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. Includes four talk and listen buttons with integral crosspoint level rotary controls with reply and menu keys. LED level and call signalization and OLED menu. Includes XLR-4M headset connector, USB cable, and belt clip. FSII-BP19-X4-O2 will only support the use of three AA alkaline or rechargeable Nickel Metal Hydride batteries. Beltpack battery level settings accommodate the use of these batteries. FCC approved for use in the USA and Canada.