key features of the Prolink PHS301 Modem :
HSPA 3.5G mobile broadband support (up to 7.2 Mbps download / 5.76 Mbps upload, depending on network)
USB 2.0 plug-and-play connectivity
Compact, portable form factor for laptops and PCs
SIM card slot for mobile carrier access
Compatibility with Windows/macOS drivers (varies by model)
SMS messaging functionality via PC software
LED indicators for connection and signal status
Prolink PHS301 3.5G USB HSPA Modem – Key Specification :
Network: HSPA/UMTS 3.5G, backward compatible with 2G/EDGE/GPRS
Interface: USB 2.0 plug-and-play
Download Speed: Up to 7.2 Mbps (HSPA)
Upload Speed: Up to 5.76 Mbps
SIM Support: Standard SIM card slot
Operating Systems Supported: Windows (XP/Vista/7/8/10), some Linux distributions
LED Indicators: Power, network connection, and data transmission
Other Features: SMS support via modem software, automatic APN configuration
Connect/Disconnect: Often a single button in software interface
SMS Access: Shortcut within the software to send/receive text messages
Status Check: LED or software icon shows signal strength and connection status