I have been looking on the requirements page for gsm-modems which can be used to use Frontline SMS. However, these modems are all outdated and not in stock. All I found was a Huawei 1750 for 90 euros, a Huawei E5 for 200 euros and Samba 75 for € 250.-. I was wondering, does anybody have experience with one of these modems, and otherwise, what other more current modem would you suggest?
Thank you so much in advance for your time and consideration,