Ok this is interesting... My TX was increased to 27 without me doing anything here in the US. It was 17 before opening the DJI GO app, after openeing and connecting, it went up to 27...
This first test is all defaults without the DJI GO app running.
/ # iwinfo
wlan0 ESSID: "PHANTOM3_xxxxx"
Access Point: XX:XX:XX:XX:XX:XX
Mode: Master Channel: 2 (2.417 GHz)
Tx-Power: 17 dBm Link Quality: 70/70
Signal: -21 dBm Noise: -95 dBm
Bit Rate: 101.1 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
wlan0.sta1 ESSID: unknown
Access Point: 00:00:00:00:00:00
Mode: Master (VLAN) Channel: 2 (2.417 GHz)
Tx-Power: 17 dBm Link Quality: 70/70
Signal: -19 dBm Noise: -95 dBm
Bit Rate: 144.4 MBit/s
Encryption: none
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
/ # iw reg get
country US: DFS-FCC
(2402 - 2472 @ 40), (N/A, 30), (N/A)
(5170 - 5250 @ 80), (N/A, 17), (N/A)
(5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS
(5735 - 5835 @ 80), (N/A, 30), (N/A)
(57240 - 63720 @ 2160), (N/A, 40), (N/A)
/ #
This second test is with all defaults and after the DJI GO app has been opened and connected.
/ # iwinfo
wlan0 ESSID: "PHANTOM3_xxxxx"
Access Point: XX:XX:XX:XX:XX:XX
Mode: Master Channel: 2 (2.417 GHz)
Tx-Power: 27 dBm Link Quality: 70/70
Signal: -23 dBm Noise: -95 dBm
Bit Rate: 87.4 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
wlan0.sta1 ESSID: unknown
Access Point: 00:00:00:00:00:00
Mode: Master (VLAN) Channel: 2 (2.417 GHz)
Tx-Power: 27 dBm Link Quality: 70/70
Signal: -11 dBm Noise: -95 dBm
Bit Rate: 104.0 MBit/s
Encryption: none
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
/ # iw reg get
country US: DFS-FCC
(2402 - 2472 @ 40), (N/A, 30), (N/A)
(5170 - 5250 @ 80), (N/A, 17), (N/A)
(5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS
(5735 - 5835 @ 80), (N/A, 30), (N/A)
(57240 - 63720 @ 2160), (N/A, 40), (N/A)
This third test is after running the ver 1.0 of the setchan.sh while having the DJI GO app open.
/ # iwinfo
wlan0 ESSID: "PHANTOM3_xxxxx"
Access Point: XX:XX:XX:XX:XX:XX
Mode: Master Channel: 1 (2.412 GHz)
Tx-Power: 27 dBm Link Quality: 70/70
Signal: -18 dBm Noise: -95 dBm
Bit Rate: 86.7 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
wlan0.sta1 ESSID: unknown
Access Point: 00:00:00:00:00:00
Mode: Master (VLAN) Channel: 1 (2.412 GHz)
Tx-Power: 27 dBm Link Quality: 70/70
Signal: -12 dBm Noise: -95 dBm
Bit Rate: 115.6 MBit/s
Encryption: none
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
/ # iw reg get
country BO: DFS-JP
(2402 - 2482 @ 40), (N/A, 30), (N/A)
(5735 - 5835 @ 80), (N/A, 30), (N/A)
/ #
This first test is all defaults without the DJI GO app running.
/ # iwinfo
wlan0 ESSID: "PHANTOM3_xxxxx"
Access Point: XX:XX:XX:XX:XX:XX
Mode: Master Channel: 2 (2.417 GHz)
Tx-Power: 17 dBm Link Quality: 70/70
Signal: -21 dBm Noise: -95 dBm
Bit Rate: 101.1 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
wlan0.sta1 ESSID: unknown
Access Point: 00:00:00:00:00:00
Mode: Master (VLAN) Channel: 2 (2.417 GHz)
Tx-Power: 17 dBm Link Quality: 70/70
Signal: -19 dBm Noise: -95 dBm
Bit Rate: 144.4 MBit/s
Encryption: none
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
/ # iw reg get
country US: DFS-FCC
(2402 - 2472 @ 40), (N/A, 30), (N/A)
(5170 - 5250 @ 80), (N/A, 17), (N/A)
(5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS
(5735 - 5835 @ 80), (N/A, 30), (N/A)
(57240 - 63720 @ 2160), (N/A, 40), (N/A)
/ #
This second test is with all defaults and after the DJI GO app has been opened and connected.
/ # iwinfo
wlan0 ESSID: "PHANTOM3_xxxxx"
Access Point: XX:XX:XX:XX:XX:XX
Mode: Master Channel: 2 (2.417 GHz)
Tx-Power: 27 dBm Link Quality: 70/70
Signal: -23 dBm Noise: -95 dBm
Bit Rate: 87.4 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
wlan0.sta1 ESSID: unknown
Access Point: 00:00:00:00:00:00
Mode: Master (VLAN) Channel: 2 (2.417 GHz)
Tx-Power: 27 dBm Link Quality: 70/70
Signal: -11 dBm Noise: -95 dBm
Bit Rate: 104.0 MBit/s
Encryption: none
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
/ # iw reg get
country US: DFS-FCC
(2402 - 2472 @ 40), (N/A, 30), (N/A)
(5170 - 5250 @ 80), (N/A, 17), (N/A)
(5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS
(5735 - 5835 @ 80), (N/A, 30), (N/A)
(57240 - 63720 @ 2160), (N/A, 40), (N/A)
This third test is after running the ver 1.0 of the setchan.sh while having the DJI GO app open.
/ # iwinfo
wlan0 ESSID: "PHANTOM3_xxxxx"
Access Point: XX:XX:XX:XX:XX:XX
Mode: Master Channel: 1 (2.412 GHz)
Tx-Power: 27 dBm Link Quality: 70/70
Signal: -18 dBm Noise: -95 dBm
Bit Rate: 86.7 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
wlan0.sta1 ESSID: unknown
Access Point: 00:00:00:00:00:00
Mode: Master (VLAN) Channel: 1 (2.412 GHz)
Tx-Power: 27 dBm Link Quality: 70/70
Signal: -12 dBm Noise: -95 dBm
Bit Rate: 115.6 MBit/s
Encryption: none
Type: nl80211 HW Mode(s): 802.11abgn
Hardware: unknown [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0
/ # iw reg get
country BO: DFS-JP
(2402 - 2482 @ 40), (N/A, 30), (N/A)
(5735 - 5835 @ 80), (N/A, 30), (N/A)
/ #