What gsm module is the best price for sending data from an ultrasonic sensor?

Question

Arduino

A gsm module is required that will send data from the sensor, say once every 3 seconds over the mobile Internet. Transmit data from the ultrasonic sensor. Advise, please, the most optimal in terms of price. It is planned to work with iskra neo and iskra mini. It is supposed to run and forget about it for many months.

Answer 1

not so long ago there were SIM900 optimal for the price, now they seem to have released newer SIM800 modules. simcom manufacturer. though I haven’t dealt with them for a couple of years, so the infa is a little outdated.

Answer 2

Ali has DIY kits from 150 rubles.