Walkie-Talkie Forest Helmet MS-SLTK-AD

Helmet Parameters:

Compliance StandardsXF 633-2006 "Protective Clothing for Firefighters for Rescue and Relief" XF44-2015 "Firefighter Helmet"

Flame RetardantFlame retardant materials used for the shroud, helmet, and face shield

Lateral RigidityMaximum shell deformation 15mm, residual deformation after unloading 1.0mm

Impact Absorption PerformanceMaximum impact force <2000N after high-temperature pretreatment, radiant heat pretreatment, low-temperature pretreatment, and water immersion pretreatment

Heat Resistance PerformanceShell, headband, head support, buffer layer, chin strap, headband adjustment device, chin strap locking device, accessories,

metal parts at the top of the helmet, etc., must remain intact and undamaged

Impact Acceleration Resistance PerformanceMaximum impact acceleration: 131.6gn: Maximum impact acceleration at front of helmet: 330gn

Flame RetardancyChin strap damage length 14MM, afterflame time 0 seconds, shell, face shield, and shroud afterflame time 0 seconds

Slide RailThe helmet is equipped with slide rails on both sides for later installation of explosion-proof lighting, featuring high brightness, long discharge time, and high temperature resistance, facilitating lighting for firefighters during prolonged rescue operations

Weight (excluding accessories)0.79kg

Fire Resistance Temperature260°C ±5°C

Face Shield Transmittance93%

Field of View: Left and right horizontal 110 degrees, up 8 degrees, down 46 degrees

Walkie-Talkie Parameters

Frequency Range 136-174MHz/400-470MHz

Total Channels 199

Channel Spacing 12.5KHz/25KHz

Operating Voltage DC4.2V ±10%

Battery Capacity 2000mAh (Optional 4000mAh)

Battery Average Operating Time (5/5/90) 2000mAh 20 hours/4000mAh 40 hours

Frequency Stability ≤±2.5ppm

Anti-interference Circuit Clear communication at 110 decibels of noise

Antenna Impedance 50Ω

Output Power 1-3W adjustable

Maximum Audio Output Power 3W

Audio Distortion 3% (Rated)

Standby Current 20mA

Receiving Current ≤100mA

Transmitting Current ≤1000mA

Charging Method Magnetic charging interface