An M17_ANL can be used with Raspberry Pi to make a hotspot. Why RPi? Because it's widely available, cheap and popular. Also, it has an Ethernet connector and can be programmed using Python, C - virtually anything.

M17 compatible radio built using RTL-SDR/HackRF and GNU Radio.

https://teletra.pl/M17/about

TR-9 is a handheld transceiver, originally designed for the M17 system. It is, however, capable of analog FM and other modes.

Schematics:
Mainboard schematic (PDF): https://github.com/M17-Project/TR-9/blob...nboard.pdf
Human-Machine Interface (HMI) schematic (PDF): https://github.com/M17-Project/TR-9/blob...MI/HMI.pdf

Gerber files:
Mainboard: https://github.com/M17-Project/TR-9/tree.../fabOutput
HMI: https://github.com/M17-Project/TR-9/tree...I/fabFiles

BOM:
Mainboard: https://htmlpreview.github.io/?https://g.../ibom.html
HMI: https://htmlpreview.github.io/?https://g.../ibom.html

Firmware, generated with (CubeMX 4.27.0):
Firmware for the mainboard: https://github.com/M17-Project/TR-9/tree/master/cubemx
Firmware for the HMI board: https://github.com/M17-Project/TR-9_HMI

SW4STM32 is needed to start playing with it: https://www.openstm32.org