2g SMS Gateway GSM 8 SIM Cards with API for SMS Sending

2g SMS Gateway GSM 8 SIM Cards with API for SMS Sending. Multi-Port Capacity Options: Available in 8, 16, and 32 port configurations with matching SIM slots. Comprehensive Protocol Support: Supports IPv4, TCP, UDP, PPPoE, DHCP, DNS, NAT, HTTP, FTP, and TFTP. Advanced SIM Management: Features automatic SIM rotation, status monitoring, and configurable call/SMS limits. Flexible Interface Options: Equipped with RJ45 LAN, USB console, and web-based GUI for easy configuration. IMEI Modification Capability: Supports IMEI modification for enhanced device flexibility and integration. Broad OS Compatibility: Compatible with Windows XP, Windows 7, Linux, UNIX, and other operating systems. Robust Hardware Design: Fanless operation with Quectel modules ensuring reliability and stability. Comprehensive Warranty: Includes a 12-month warranty covering mechanical defects and parts.