User's Guide

OW70L-Dac - OneWeb LEO User Terminal

8.1.3 Environmental Specification

Item Specification

Operational Temp. -40°C ~ +55°C (w/ optional heating device)

-25°C ~ +55°C (w/o heating device)

Survival Temp. -40°C ~ +80°C

Storage Temp. -40°C ~ +85°C

Storage Environment ETSI EN 300 019 Class 1.1

Operational Humidity Relative humidity range of 10% to 100% non-condensing in accordance

with IEC60068-2-78 for a period of 96 hours.

Non-operational Humidity IEC 60068-2-41 Method Db for a period of 4 hours.

Operational Vibration IEC 60068-2-64,

.01 - .02 PSD, slope +12, 5 to 10 Hz

.02 PSD, slope 0, 10 to 50 Hz

.02 - .001 PSD, slope -12, 50 to 100 Hz

Non-operational Vibration IEC 60721-3-4, Class 4M3 3.0 mm peak (+/- 1.5) (2-9 Hz) 5 m/s2 (9-200 Hz)

IEC 60068-2-6 with test duration of 5 sweeps per each of the 3 axes.

Operational Shock IEC 60068-2-27

Non-operational Shock IEC 60068-2-27

Weather Tightness IP66 per IEC 60529

Lightning Protection IEC 61000-4-5 Class 4

ETSI EN 300 132-2

Hail Impact ASTM E822

Operating Wind Resistance 80 km/hr (50 mph)

Functional Wind Resistance 81-160 km/hr (51 mph ~ 100 mph)

Survival Wind Resistance 161 km/hr ~ 240 km/hr (101 mph ~ 150 mph)

Chemical conditions Per IEC 60068-2-60, Method 4

Lightening IEC 61000-4-2 (ESD)

IEC 61000-4-4 (EFT)

IEC 61000-4-5 (Surge)