OSTENT GSM Dual-Band 900/1800MHz 2G Modem with Siemens TC35I Module USB Port Interface at Commands Bulk SMS

The "Industrial-grade 2G Modem" is a professional-grade modem designed for bulk SMS sending, with a USB interface and support for dual frequency GSM 900/1800MHz networks.

This modem can be controlled via AT commands through the USB port, allowing for easy integration with various software programs.

With compatibility across multiple operating systems including Windows, Linux, Mac OS X, and Android, this modem is a versatile solution for any business or individual looking to send SMS in bulk.

The included data line and DB antenna ensure reliable connectivity, while the sliding SIM card slot makes it easy to switch between different networks.

Don't miss out on this powerful tool for your SMS sending needs!