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Technical Specifications (Byteflies Kit)

CE mark

Table of contents
  1. Technical Specifications (Byteflies Kit)
    1. Sensor Dot
    2. Docking Station
    3. 2-Snap Cradle
    4. 3-Snap Cradle
    5. 4-Wire Cradle
    6. 4-Snap Cradle/3-Snap Cradle right/3-Snap Cradle left
    7. Double-sided Adhesive

Sensor Dot

General  
Battery life 24 hours
Battery specifications Lithium polymer, 3.7V, 65mAh
Dimensions 24.5 x 33.5 x 7.73 mm
Weight 6.3 grams
Casing Polycarbonate (biocompatible*)
Indicator Lens ABS (biocompatible*)
11-pin connector Gold (Au) plated
Wireless Communication BLE
Frequency band: 2400-2483MHz
Modulation: GFSK
Maximum RF output power: 5,9mW
Biopotential amplifier  
Type of biopotential recorder Holter, ambulatory biopotential recorder
Number of channels 2
Recording format Continuous
Sampling rate 250 Hz per channel
Resolution 24-bit
Input impedance 10 GOhm
11-pin connector Gold (Au) plated
Inertial Measurement Unit (IMU)  
Type of motion Acceleration (ACC) and gyroscope (GYR)
Number of channels Tri-axial ACC and tri-axial GYR
Default range ACC: ± 8 g; GYR: ± 1000 degrees/sec
Recording format Continuous
Sampling rate Up to 200 Hz per channel
Resolution 16-bit
Axes orientation
Emissions tests Test level
Conducted and radiated RF emission (CISPR 11) group 1, class B
Immunity tests Test level
Electrostatic discharge (ESD) (IEC 61000-4-2) 8kV contact discharges & 15kV air discharges
Conducted disturbances induced by RF fields (IEC 61000-4-6) 3.0 Vrms on 0.15→ 80% AM, 1kHz
Radiated electromagnetic fields (IEC 61000-4-3) 10.0V/m
80MHz - 2.7GHz, 80% AM at 1kHz
Proximity field from wireless communications equipment (IEC 61000-4-3) List of frequencies (Table 1)
from 9V/m up to 28V/m
PM (18Hz or 217Hz), FM 1kHz

Docking Station

General  
Power specifications Input: 5 V (DC), 1.2 A
Output: 5 x (5V (DC), 35 mA)
Dimensions 123 x 123 x 50 mm
Weight 170 grams
Casing Polycarbonate (biocompatible*)
5 x 11-pin connector Gold (Au) plated
Wireless Communication BT4.2
Frequency band: 2400-2483MHz
Modulation: GFSK
Maximum RF output power: 5,8mW
  Wi-Fi IEEE 802.11 b/g/n
Frequency band: 2401-2473MHz
Modulation: DSSS, CCK, OFDM
Maximum RF output power: 740mW
Emissions tests Test level
Conducted and radiated RF emission (CISPR 11) group 1, class B
Harmonic distortion (IEC 61000-3-2-0) 230 VAC
Voltage fluctuatoins and flicker (IEC 61000-3-3) 230 VAC
Immunity tests Test level
Electrostatic discharge (ESD) (IEC 61000-4-2) 8kV contact discharges & 15kV air discharges
Radiated electromagnetic fields (IEC 61000-4-3) 10.0V/m
80MHz - 2.7GHz, 80% AM at 1kHz
Proximity field from wireless communications equipment (IEC 61000-4-3) List of frequencies (Table 1)
from 9V/m up to 28V/m
PM (18Hz or 217Hz), FM 1kHz
Electrical Fast transient (EFT) (IEC 61000-4-4) ± 2kV on 230 VAC: Tr/Th – 5/50ns, 100kHz
±1kV on 230 VAC: Tr/Th – 5/50ns, 5kHz
Surge (IEC 61000-4-5) ±1.0 kV DMon 230 VAC: Tr/Th – 1.2/50 (8/20)µs
Conducted disturbances induced by RF fields (IEC 61000-4-6) 3.0 & 6.0 VRMS on
230 VAC
0.15÷ 80MHz, 80% AM, 1kHz
Power frequency magnetic field (IEC 61000-4-8) 30A/m, 50 & 60Hz
Voltage dips, short interruptions and voltage variations (IEC 61000-4-11) 230 & 100 VAC mains:
0% - 10ms; 0% - 20ms;
70% - 500ms; 0% - 5s

Table 1 - Test specifications for ENCLOSURE PORT IMMUNITY to RF wireless communications equipment

Test frequency
(MHz)
Band
(MHz)
Service Modulation Immunity test level
(V/m)
385 380 to 390 TETRA 400 Pulse modulation 18Hz 27
450 430 to 470 GMRS 460, FRS 460 FM
+- 5kHz deviation
1kHz sine
28
710
745
780
704 to 787 LTE Band 13, 17 Pulse modulation
217Hz
9
810
870
930
800 to 960 GSM 800/900, TETRA 800
iDEN 820, CDMA 850,
LTE Band 5
Pulse modulation
18Hz
28
1720
1845
1970
1700 to 1990 GSM 1800; CDMA 1900;
GSM 1900; DECT; LTE Band
1, 3, 4, 25; UMTS
Pulse modulation
217Hz
28
2450 2400 to 2570 Bluetooth, WLAN,
802.11 b/g/n, RFID 2450,
LTE Band 7
Pulse modulation
217Hz
28
5240
5500
5785
5100 to 5800 WLAN 802.11 a/n Pulse modulation
217Hz
9

2-Snap Cradle

General  
Dimensions 27.8 x 66.1 x 8.9 mm
11-pin connector Gold (Au) plated
Female snap button Nickel (Ni) plated
Casing Polycarbonate (biocompatible*)
Weight 8.7 grams

3-Snap Cradle

General  
Dimensions 38.4 x 65.06 x 9.15 mm
11-pin connector Gold (Au) plated
Female snap button Nickel (Ni) plated
Casing Polycarbonate (biocompatible*)
Weight 12.1 grams

4-Wire Cradle

General  
Dimensions 27.8 x 36.7 x 11 mm
Wire length 68 mm
Wire connector DIN 42-802 1.5mm
11-pin connector Gold (Au) plated
Casing top Polycarbonate (biocompatible)
Casing bottem ABS (biocompatible*)
Weight 10.4 grams

4-Snap Cradle/3-Snap Cradle right/3-Snap Cradle left

General  
Dimensions 27.8 x 36.7 x 11 mm
Wire length 272 mm
Wire connector 4mm snap fastener
11-pin connector Gold (Au) plated
Casing top Polycarbonate (biocompatible)
Casing bottem ABS (biocompatible*)
Weight 4-Snap Cradle: 15.6 grams; 3-Snap Cradle: 13.1 grams

Double-sided Adhesive

General  
All Materials Biocompatible*
Dimensions 41 x 50 mm
Wear time Up to 48 hours

*All biocompatible materials were tested according to ISO 10993-5:2009 (Test for in vitro cytotoxicity) and ISO 10993-10:2010 (Tests for irritation and skin sensitization).


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