Appendix D. Service and Support
ST8956(W) WiFi Recorder Users Guide Addendum
13
Chapter 5. System Specifications
Specifications as ST8956 Multi-Function Recorder except:-
Internal battery pack
Parameter Value
Input voltage for charging
13 to 20 Volts min/max
Internal battery voltage
9.6 Volts typical
Battery capacity
0.6 Amp/Hr @ 10 to 30°C
Charging current
0.06 Amps typical
Full charge time
15 hours typical
Discharge time
3 hours typical
(dependent on WiFi activity)
WiFi
Parameter Value
Transmitted power
14 ±1 dBm
Receiver sensitivity
–82 to –93 dBm,
11 Mb to 1 Mb respectively
Module connector
SMA (R) Reverse SMA Jack
(fixed receptacle with pin)
Network standard
802.11B
Frequency range
2.412 to 2.484 GHz
Antenna specification
Parameter Value
Antenna type
Co-linear mobile whip antenna
Frequency 2.4
GHz
Transmitted EIRP
17 dBm max, 16 dBm (25 mW) typical
Polarisation vertical
Vertical
Gain 2
dB
Height
140 mm (5.5”)
Weight
34 g (1.2 oz)
Mounting hole
18 mm (0.75”)
Footprint
32 mm (1.26”)
Ground plane diameter
90 mm (3.5”) minimum
Minimum Safe working
distance
25 mm (1.0”)
Содержание ST8956
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