Dust Networks D2120 Посібник із швидкого старту - Сторінка 11
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Друкувати сторінкуRecommended Operating Conditions
Recommended Operating Conditions
Table 1-4. Operating Conditions
Wireless Specifications
Table 1-5. Wireless Specifications
Antenna
Avoid handling the module by its antenna. For best results, place all devices so that the
antenna points to the ceiling. Devices placed close to the ground may have a
significantly reduced range. In the event of communications difficulties, try changing
the orientation of the module.
D2120 E
K
Q
VALUATION
IT
UICK
Parameter
Analog input impedance
Analog input capacitance
Parameter
Frequency Band
RF output power
Transmit data rate
Receiver sensitivity
(at 15 dB SNR)
Range
Outdoors (1m elevation)
Indoors
S
G
TART
UIDE
C
HAPTER
Min
Max
Units
75
kΩ
40
pF
Max
2400–2483.5
–3
250
–93
>100
10–30 typical
1 - M2020 E
M
VALUATION
ODULE
Condition
Units
MHz
dBm
kpbs
dBm
m
m
5