GPS helmet unit tender 260420

Safety Helmet Dial: Supports 4G dialing; Positioning: GPS; Beidou WIFI: Only supports WIFI positioning, does not support WIFI network communication; Interface protocol: ISUP5.0; Ehome2.0; Buttons: SOS; Product weight: Not more than 465g; Protection level: IP67; Power supply: Battery-powered; Operating temperature: -10℃~55℃; Charging interface: Type-C; Speaker: Supports MIC; Supports SIM card slot; Battery detachable: Not supported; Battery capacity: 2500mAh; Endurance time: 30 minutes; Positioning interval, endurance time not less than 5 days; Charging time after shutdown: Not more than 4 hours; Battery type: Lithium-ion battery; Includes mobile law enforcement integrated management platform; Quantity: 100; WIFI: Only supports WIFI positioning, does not support WIFI network communication; Interface protocol: ISUP5.0; Ehome2.0; Buttons: SOS; Product weight: Not more than 465g; Protection level: IP67; Power supply: Battery-powered; Operating temperature: -10℃~55℃; Safety Helmet; Charging interface: Type-C; Quantity: 100; Speaker: Supports MIC; Supports SIM card slot; Battery detachable: Not supported; Battery capacity: 2500mAh; Endurance time: 30 minutes; Positioning interval, endurance time not less than 5 days; Charging time after shutdown: Not more than 4 hours; Battery type: Lithium-ion battery; Includes mobile law enforcement integrated management platform