Here is brief specs for M5:
CPU:IPQ4018,ARM Cortex A7 4 cores@717Mhz
PHY:QCA8075
FLASH:25Q256JVFQ 32MB
RAM:W632GU6NB-12
2.4G:
Integrated high-performance 2.4 GHz PA, LNA with bypass, and T/R switch
Fully-matched input and output
LNA with integrated bypass mode
Integrated positive slope power detector
Transmit gain: 32 dB
Receive gain: 16 dB
Small QFN (16-pin, 2.5 x 2.5 mm) package (MSL1, 260 °C per JEDEC J-STD-020)
5G:
Integrated high-performance 5 GHz PA,LNA with bypass, and SPDT
Fully matched input and output
Integrated, positive slope power detector
Transmit loopback mode
Transmit gain: 32 dB
Receive gain: 14 dB
Output power: +21 dBm, @3% (–30 dB) DEVM, MCS7, HT40
Output power: +20 dBm @ 1.8% (–35 dB) DEVM, MCS9, VHT80
Direct connection to battery with 5 V nominal supply voltage
Small MCM (12-pin, 2.0 x 2.0 x 0.6 mm) package (MSL3, 260 °C per JEDEC J-STD-020)
Here is brief specs for M50:
CPU:MIPS 74Kc QCA9563@750Mhz, 2.4G Integrated
5G:QCA9886
Flash:16MB
Detailed PCB screenshots: https://bbs.360.cn/thread-15817345-1-1.html
Althongh flashes are too small for the current versions of Openwrt, I really would like anyone to give a chance for these devices.