SkyeModule Nova Datasheet
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Preliminary
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41
Skyetek Inc
1732 Wazee St. Ste 202
Denver, CO 80202
www.skyetek.com
Main 720.328.3425 Fax:720.228.2400
In very time dependent applications, it is recommended to set this parameter to 0 as this removes much
of the variability of response time.
In most situations, a retry number of 3 is sufficient.
Read/write
WARNING:
Setting this parameter too high can cause very long response times when there is no tag or a
failing tag in the field.
13.3.13
Power Level
Configures the power level for the reader.
Parameter address: 0x0012
Length (bytes): 1
Default value: 0xDC (27 dBm)
RF output Power level may be set in steps of 0.1 dB from 10 dBm to 27 dBm.
Power levels are written in hex corresponding to a decimal value between 50 and 220 (see Table 14-10).
Use the following equation to calculate the value to be written for a desired power level:
(Desired power in dBm
–
5)/0.1 = decimal value to write to system parameter
Table 13-2: Common Power Values
Power (dBm)
SkyeTek Decimal Value
Hex Equivalent
10
50
0x32
12
70
0x46
15
100
0x64
17
120
0x78
20
150
0x96
21
160
0xA0
24
190
0xBE
27
220
0xDC
Read/write
NOTE
–
SkyeModule Nova’s shipped with the SkyeTek Development Kit are preset to a power level of 27 dBm.