Stack ST542090-002, Руководство пользователя

Страница: 11 / 11

STACK WiFi Recording System
ST542090-002
10
Internal Battery pack
Interface characteristics
Input Description
Value Units & Notes
Input voltage for charging 13 to +20 Volts min/max
Internal battery voltage 9.6 Volts typical
Battery capacity 0.6 AHr @ 10 – 30 DegC
Charging current 0.06 Amps typical
Full charge time 15 Hr. typical
Discharge time 3 Hr. typical. Dependant on WiFi activity.
WiFi
Interface characteristics
Description
Value Units & Notes
Transmitted power 14 +/- 1 DBm
Receiver sensitivity -82 to –93 dBm 11Mb to 1Mb respectively
Module connector SMA (R) Reverse SMA Jack (fixed receptacle with pin)
Network standard 802.11B
Frequency range 2.412 – 2.484 GHz
Antenna specification:
Parameter Value
Antenna type Colinear mobile whip antenna
Frequency 2.4 GHz
Transmitted EIRP 17dBm max 16dBm (25mW) typ
Polarisation Vertical Vertical
Gain 2 dB
Height 140mm (5.5”)
Weight 34g (1.2oz)
Mounting hole 18mm (0.75”)
Footprint 32mm (1.26”)
Ground plane diameter 90mm (3.5”) minimum
Minimum Safe working distance 25mm (1.0”)