UWB Bracelet

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UWB Bracelet VDU1502

1. Product Discription VDU1502-PBR is a UWB (ultra-wideband) technology-based anti-self-destructive positioning watch. The main control chip uses NRF52832 to realize UWB signal transmission and reception control, and the positioning chip us
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Specification Download

1. Product Discription

VDU1502-PBR is a UWB (ultra-wideband) technology-based anti-self-destructive positioning watch. The main control chip uses NRF52832 to realize UWB signal transmission and reception control, and the positioning chip uses DW1000 to realize UWB-based TDOA indoor high-precision algorithm. High-precision indoor positioning of the wearer can be realized. The built-in acceleration sensor can intelligently switch the positioning frequency when the personnel are moving and stationary, and realize the standby with lowest power consumption. At the same time, the watch has a SOS button for help function, which can realize personnel positioning in nursing homes, construction sites, factories, mines, hospitals, prisons and other safety monitoring occasions. The watch is equipped with a heart rate sensor to periodically return the heart rate data of the guardian; the watch strap has its own anti-self-disassembly detection, and the watch strap is cut or disassembled and the message will be sent to the background. The watch without a screen has a built-in high-brightness LED light to remind the working status of different functions of the watch.

2. Basic Parameters

Motion refresh frequency	10Hz (Default, changeable)
Static refresh frequency	1Hz (default, can be changed)
Power consumption	50uA standby, 150mA positioning launch
Accuracy	up to 10cm
Use time for one charge	about 2 months (1Hz positioning)
Positioning distance	25~50 meters
Battery capacity	750mAh
Working temperature	-20~60℃
Frequency range	default 3774~4243.2MHz
Support channel	can modify support channel ch1-5
Protocol standard	IEEE 802.15.4-2011 UW
Storage	512 kB flash/64 kB RAM
Charging voltage	DC5V /1A
Working temperature	-20℃-60℃

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