Transmission
GPRS(3G),GPS,SMS
Callme
Two-way voice communication
Personal Protection
Man-down detection
Certifications
CE & FCC & RoHS
Storage Capacity
6000 pieces (120KB storage)
battery
1800mAh rechargeable lithium battery,Charge by downloader,
Reading checkpoint indication
LED, beep/vibration
RFID reader frequency
125kHz
Outer shell
Polycarbonate is surrounded by TPU, rugged, bi-color injection