原版OpenWrt固件，5Gwifi 正常，2.4Gwifi信号很弱

hghua

请教一下这是啥原因？配置不对，还是驱动不对？

这是system log:
Thu Aug 29 00:15:12 2019 kern.info kernel: [  832.141081] device wlan1 left promiscuous mode
Thu Aug 29 00:15:12 2019 kern.info kernel: [  832.150153] br-lan: port 2(wlan1) entered disabled state
Thu Aug 29 00:15:12 2019 daemon.notice hostapd: wlan1: interface state ENABLED->DISABLED
Thu Aug 29 00:15:12 2019 daemon.notice hostapd: wlan1: AP-DISABLED
Thu Aug 29 00:15:12 2019 daemon.notice hostapd: wlan1: CTRL-EVENT-TERMINATING
Thu Aug 29 00:15:12 2019 daemon.notice hostapd: nl80211: deinit ifname=wlan1 disabled_11b_rates=0
Thu Aug 29 00:15:12 2019 daemon.notice hostapd: nl80211: Failed to remove interface wlan1 from bridge br-lan: Invalid argument
Thu Aug 29 00:15:12 2019 kern.warn kernel: [  832.399245] ieee80211 phy1: rt2800_config_channel: Warning - Using incomplete support for external PA
Thu Aug 29 00:15:12 2019 user.notice mac80211: Failed command: iw phy phy1 set antenna all all
Thu Aug 29 00:15:12 2019 daemon.notice netifd: radio1 (4477): command failed: Not supported (-122)
Thu Aug 29 00:15:12 2019 user.notice mac80211: Failed command: iw phy phy1 set distance 0
Thu Aug 29 00:15:13 2019 daemon.err hostapd: Configuration file: /var/run/hostapd-phy1.conf
Thu Aug 29 00:15:13 2019 kern.warn kernel: [  833.421843] ieee80211 phy1: rt2800_config_channel: Warning - Using incomplete support for external PA
Thu Aug 29 00:15:13 2019 kern.info kernel: [  833.447296] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
Thu Aug 29 00:15:13 2019 kern.info kernel: [  833.465545] br-lan: port 2(wlan1) entered blocking state
Thu Aug 29 00:15:13 2019 kern.info kernel: [  833.476277] br-lan: port 2(wlan1) entered disabled state
Thu Aug 29 00:15:13 2019 kern.info kernel: [  833.487244] device wlan1 entered promiscuous mode
Thu Aug 29 00:15:13 2019 daemon.notice hostapd: wlan1: interface state UNINITIALIZED->COUNTRY_UPDATE
Thu Aug 29 00:15:13 2019 daemon.err hostapd: Using interface wlan1 with hwaddr 8c:ab:8e:fd:27:d8 and ssid "CU_604b"
Thu Aug 29 00:15:14 2019 kern.warn kernel: [  834.022344] ieee80211 phy1: rt2800_config_channel: Warning - Using incomplete support for external PA
Thu Aug 29 00:15:14 2019 kern.info kernel: [  834.044729] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
Thu Aug 29 00:15:14 2019 kern.info kernel: [  834.057641] br-lan: port 2(wlan1) entered blocking state
Thu Aug 29 00:15:14 2019 kern.info kernel: [  834.068271] br-lan: port 2(wlan1) entered forwarding state
Thu Aug 29 00:15:14 2019 daemon.notice hostapd: wlan1: interface state COUNTRY_UPDATE->ENABLED
Thu Aug 29 00:15:14 2019 daemon.notice hostapd: wlan1: AP-ENABLED
Thu Aug 29 00:15:14 2019 daemon.notice netifd: Network device 'wlan1' link is up

hghua

可能是我应该用PSG1218A的固件，而不是PSG1218B。