About products and suppliers
72 send sms gsm modem products are offered for sale by suppliers on Alibaba.com, of which modems accounts for 94%, wireless & rf modules accounts for 2%.
A wide variety of send sms gsm modem options are available to you, such as external, internal.You can also choose from stock, send sms gsm modem,as well as from data transmission, smart, and email send sms gsm modem,and whether send sms gsm modem is rs232, or pci.