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[ZigBit 900 MHz Wireless Modules]
9
3.1.3
RF Characteristics
Table 3-3.
RF Characteristics
(1)
.
Parameter
Condition
Range
Unit
Frequency band
902 to 928
MHz
Numbers of channels (FCC and Industry
Canada)
10
Channel spacing
2
MHz
Transmitter output power
Adjusted in 36 steps
-25 to +11
dBm
Receiver sensitivity
PER = 1%
-103
dBm
On-air data rate
20, upto 1000
Kbps
TX output/ RX input nominal impedance
For balanced
50
Ω
Range
Open field, LoS, Elevated
1.120
#
km
Note
#
:
Range measured is Line of Sight at 10ft elevation from Ground at different combinations of orientation of
transmitter and receiver, with special conditions were there is minimal or no RF interference from other sources. For best
case orientation of the ZigBits to achieve maximum range, refer to section
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Table 3-4.
TX power settings
PHY_TX_PWR 3:0
Register value
Power register setting [dBm]
Output power [dBm] (typical values at RF
connector)
C0
11
8.59
C1
10
8.14
80
9
7.43
82
8
5.85
83
7
4.97
84
6
4.1
40
5
3.58
86
4
2.12
00
3
1.4
01
2
0.42
02
1
-0.93
03
0
-2.09
04
-1
-3.16
27
-2
-4.29
91
-6
-7.86
0D
-10
-12.27
15
-18
-19.51
1D
-25
-26.82
Note 1: For detailed characteristics, please refer [4]
