5 © 2017 unitech Electronics Co., Ltd. All rights reserved.unit ech is a registered trademark of unitech Electronics Co., Ltd.HT1 User’s ManualPower SourceBattery Li-ion battery Detachable with back cover all in oneCapacity 1100mAhEnclosureWeight 170gDimension 147.8(L) x 53.8(W) x 30.31(H )EnvironmentalOperating temperature 14°F to 122°F (-10°C to 50°C)Operating humidity 20%~85%Storage temp. -22°F to 158°F (-30°C to 70°C )Storage humidity 20%~85%Drop test to Concrete 1.5mEnvironmental Sealing IP54Vibration During operation: 0.5G, 3 to 100Hz, 1 min sweep, during 15min, 3 directionNon-operation: 1.5G, 5 to 55Hz, 1min sweep, during 120min, 3 directionNon-operation: 1.5G, 5 to 1000Hz, 1min sweep, during 15min, 3 directionMagnetic field 1gaussEMC Air discharge: 16kVDirect discharge: 9KVRegulatory ApprovalsCE, FCC, BSMI, PSENOTE:Requirements inAT/BE/BG/CZ/DK/EE/FR/DE/IS/IE/IT/EL/ES/CY/LV/LI/LT/LU/HU/MT/NL/NO/PL/PT/RO/SI/SK/TR/FI/SE/CH/UK/HR. 5150MHz~5350MHz is for indoor use only.