
ThingMagic M6e User Guide
25
Frequency Units
All frequencies in the M6e are expressed in kHz using unsigned 32-bit integers. For instance, a carrier
frequency of 915 MHz is expressed as 915000 kHz.
The hop table for any region may consist of any permitted channels within the frequency limits for that
region. A permitted channel is one that is at the lowest permitted frequency or is a multiple of the minimum
channel step size, up to the highest permitted frequency. The following table gives the frequency limits and
minimum channel step size for all regions.
The user may define channels in a hop table to the nearest kHz (within the high and low frequency limits)
without receiving an error message, but if that request is not for a permitted channel, the actual frequency
used by the reader will be the first permitted channel below the requested frequency. For example, in the
NA region, setting a frequency of 902,999 kHz results in a setting of 902,750 kHz.
An error message will result if an attempt is made to set channels outside of the allowed frequency range
for a region. Changing regions will automatically re-install the default hop table for that region, erasing any
custom channels which may have been defined.
Frequency Hop Table
The frequency hop table determines the frequencies used by the M6e when transmitting. The hop table
characteristics are:
•
Contains up to 62 frequencies.
•
Valid frequencies for the region currently selected.
•
Inability to change individual entries after uploading without reloading the entire table.
Regional Frequency Quantization
Region
Min Channel
Separation
Minimum
Frequency
Maximum
Frequency
Modules
Supported
NA
250 kHz
902,000 kHz
928,000 kHz
M6e, M6e-A
EU3
100 kHz
865,600 kHz
867,600 kHz
M6e, M6e-A
IN
100 kHz
865,000 kHz
867,000 kHz
M6e, M6e-A
KR2
100 kHz
917,000 kHz
923,500 kHz
M6e, M6e-A
PRC
250 kHz
920,125 kHz
924,875 kHz
M6e, M6e-A, M6e-
PRC, M6e-JIC
PRC2
250 kHz
840,000 kHz
1
845,000 kHz
1
M6e-PRC
AU
250 kHz
920,750 kHz
925,250 kHz
M6e, M6e-A
NZ
250 kHz
922,250 kHz
927,250 kHz
M6e, M6e-A
IS
250 kHz
915,000 kHz
917,000 kHz
M6e-JIC
JP
100 kHz
916,800 kHz
920,800 kHz
M6e-JIC
Open
25 kHz
865,000 kHz
902,000 kHz
869,000 kHz
928,000 kHz
M6e, M6e-A
(See Note)
1
M6e-PRC and M6e-JIC have different ranges for their Open region. 840 to 845 MHz and 920
to 925 MHz for M6e-PRC, 915 to 925 MHz for the M6e-JIC.