features:
1. built-in firmware, compatible with ibeacon 
2. bluetooth low energy 
3. available for long distance transmission
4. precise figures indicate received signals strength
5. ce/fcc standard
6. high performance, low power consumption
7. temperature sensor
8. aes security processor
specification 
1. bluetooth version: bluetooth ble 4.0
2. size: 
3. install: indoor & outdoor
4. searching distance: 50m
5. connecting distance: 10~30m
6. power supply:  powered by cr2032 button cell(0.5~1year)
8. working current (3ms wake up): about 235ua
9. matching app: android 4.3+, ios 7.0+
10. operation frequency: 2400-2483.5mhz, programmable
11. frequency error: +/- 20khz
12. modulation: q-qpsk
13. standby current: 46ua, depends on duty cycle/broadcasting frequency
14. broadcasting frequency: 2s, duty cycle
15. output power: 0 dbm, default setting, programmable
16. receiving sensitivity: -93dbm, high gain mode
17. transmission distance: 25 meters, ber18. antenna: 50ohm, on board/ pcb antenna
19. operation voltage: 2.0-3.6v, dc
20. security processor: aes 128-bit
application:
2. built-in pairing password preventing others to modify settings
3. uuid, major and minor values can be amended by the users
4. broadcast cycle can be modified by the users
5. the battery intelligent detection and notification
6. names shown on the ios device can be modified by the user
7. fashionable customized cover and firmware services
8. kinds of sensors can be added to use it in logistics tracking, greenhouse, buildings, baby 
house, hospitals, etc.

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深圳市凯欧迪汽车电子有限公司
袁桃英
13612876554
广东深圳宝安西乡宝田工业区64栋3楼