3.1.2. Region
The option of Region allows you to select the regulatory region in its sub-options, which
subjected to the model of RS804, as shown in Fig. 19, as described in Table 5.
After you set this option, it automatically changes the frequency of channels and then
enables them according to the regulation. In addition, it sets the parameter of Channel to
unfixed and then replaces its range with those permitted channels. Moreover, it revises the
setting of LBT to fit the regulation of the region. Furthermore, it changes the available range
of Dwell-time and then bounds the value into this range. Table 5 gives the complete picture
of the descriptions above.
Fig. 19. Configuring Region
Table 5. Regulatory region
Model Region
Maximum
dwell
time
Available
Channels
Frequency of first
available channel
Bandwidt
h
LBT
US
200 ms
1~50
CH1 @902.75 Mhz
500 kHz
Disable
(default)
TW
200 ms
1~12
CH1 @922.25 Mhz
500 kHz
Disable
(default)
FCC
(US)
CN 180
ms 3~18
CH3 @920.625
Mhz
250 kHz
Disable
(default)
ETSI
(EU)
EU
3800 ms
4, 7, 10, 13
CH4 @865.7 Mhz
200 kHz
Disable
(default)
JP
3800 ms 6, 12, 18, 24
CH6 @916.8 Mhz
200 kHz
Disable
(default)
JP4
(4CHs) 3800 ms 6, 12, 18, 24
CH6 @916.8 Mhz
200 kHz
Enable
LBT
(JP)
JP6
(6CHs) 3800 ms
6, 12, 18,
24, 25, 26
CH6 @916.8 Mhz
200 kHz
Enable
15