Hemisphere GPS S321 - Page 81

S321 User Guide Appendix B-Troubleshooting Page B6
Table C-8: Power
Item Specification
Battery
Rechargeable 11.1 V ‐ 37.74 Wh
Battery Life 6 hours with one battery and UHF radio in Rx mode
Voltage
9 to 22V DC external power input with over‐voltage protection
Charge Time Typically, 7 hours
Table C-9: Memory
Item Specification
SIM Card Accessible SIM card slot
Memory
Internal 4GB or 8GB. Accessible through USB and Wi‐Fi External
MicroSD card slot supports up to 64 GB.
Table C-10: Environmental
Item Specification
Operating Temperature
‐30°C to 60°C (‐22°F to 140°F)
Storage Temperature ‐40°C to 80°C (‐22°F to 176°F)
Water / Dust Proof IP67
Shock Resistance
MIL‐STD‐810G, method 516.6
Vibration MIL‐STD‐810G, method 514.6E‐I
Humidity Up to 100%
Table C-11: Mechanical
Item Specification
Size 14.1 D x 14.0 H (cm)
5.5 D x 5.5 H (in)
Weight <1.38 kg (<3.05 lbs
Mounting 5/8”x11, 55 ° thread angle, stainless steel insert
Phase Center Offset GPS L1 and L2 offset below 2.5mm
1 Depends on multi‐path environment, number of satellites in view, satellite geometry, and ionospheric activity
2 Depends also on baseline length
3 Requires a subscription from Hemisphere GNSS