你好，下面是网络测试的信息，目前测试不到300Mb, 不满足性能需求，请帮忙看一下是什么问题。
Device: rock3a + Radxa wireless A8
System: Radxa ROCK 3A Debian Build 25
Information description: up:600Mbits/sec down:900 Mbits/sec
iperf3 测试结果
xhwang@e480-joshua:~$ iperf3 -c 192.168.5.3
Connecting to host 192.168.5.3, port 5201
[ 5] local 192.168.5.4 port 36310 connected to 192.168.5.3 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 30.2 MBytes 253 Mbits/sec 0 1.37 MBytes
[ 5] 1.00-2.00 sec 32.5 MBytes 273 Mbits/sec 0 3.03 MBytes
[ 5] 2.00-3.00 sec 35.0 MBytes 294 Mbits/sec 0 3.17 MBytes
[ 5] 3.00-4.00 sec 33.8 MBytes 283 Mbits/sec 0 3.17 MBytes
[ 5] 4.00-5.00 sec 33.8 MBytes 283 Mbits/sec 0 3.17 MBytes
[ 5] 5.00-6.00 sec 33.8 MBytes 283 Mbits/sec 0 3.17 MBytes
[ 5] 6.00-7.00 sec 35.0 MBytes 294 Mbits/sec 0 3.17 MBytes
[ 5] 7.00-8.00 sec 33.8 MBytes 283 Mbits/sec 0 3.17 MBytes
[ 5] 8.00-9.00 sec 33.8 MBytes 283 Mbits/sec 0 3.17 MBytes
[ 5] 9.00-10.00 sec 33.8 MBytes 283 Mbits/sec 0 3.17 MBytes
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 335 MBytes 281 Mbits/sec 0 sender
[ 5] 0.00-20.08 sec 335 MBytes 140 Mbits/sec receiver
WiFi 模块信息:
radxa@rk3568:~$ sudo iw dev wlan1 link
Connected to e4:60:4d:97:05:50 (on wlan1)
SSID: ZTE-TEST-5G
freq: 5785
RX: 2099491335 bytes (681166 packets)
TX: 1719238870 bytes (726109 packets)
signal: -29 dBm
rx bitrate: 573.5 MBit/s 40MHz HE-MCS 11 HE-NSS 2 HE-GI 0 HE-DCM 0
tx bitrate: 1200.9 MBit/s 80MHz HE-MCS 11 HE-NSS 2 HE-GI 0 HE-DCM 0
路由器支持，巡天AX3000 Pro+：AC/AX
测试速度不到300Mb, 不能满足应用需求。