Modem Features
*Industrial-grade 4G modem
*Module: EC21-A for Quectel
*Ports: 8
*Port interfaces: USB 2.0, 480Mbps
*This modem is controlled on USB port via AT Commands, the USB port will be emulated to COM (serial / RS232) port.
*Can be used to send SMS and MMS in bulk.
*Compatible with: any software supported AT commands, includes Windows hyper terminal, SMS Studio, SMS Caster, SMS deliverer.
*Compatible system: Windows 2000/XP/7/8/8.1/10 or later versions (32 & 64-bit), Linux, Mac OS X, Android.

Notes
*Before taking this modem, please check whether your region is covered by anyone supported network of this modem.
*This modem doesnt include software nor API pack. You may use your program or software to control it via AT commands by USB port.
*This modem is a professional item, if you dont know how to use this item, please inquire before you buy.

Module Features
Frequency Bands
*FDD LTE: B2/B4/B12
*WCDMA: B2/B4/B5
LTE Version: 3GPP E-UTRA Release 11
Bandwidth: 1.4/3/5/10/15/20MHz
Antenna: Supports Rx-diversity
Operation Temperature: -40°C ~ +85°C
Control via AT Commands: 3GPP TS27.007 and enhanced AT Commands

Specifications
Data
*LTE: LTE-FDD Max 10Mbps (DL) Max 5Mbps (UL)
*DC-HSPA+: Max 42Mbps (DL) Max 5.76Mbps (UL)
*UMTS: Max 384Kbps (DL) Max 384Kbps (UL)
Voice
*Speech Codec Modes: HR, FR, EFR, AMR, AMR-WB
*Echo Arithmetic: Echo Cancellation, Noise Reduction
eCall: Accident, Emergency Services
VoLTE: Digital Audio and VoLTE (Voice over LTE) (Optional)
Protocols: TCP/UDP/PPP/FTP*/HTTP*/SMTP*/MMS*/NTP/PING/DTMF*/FILE*/CMUX*/QMI

Package includes:
1 x modem pool with 8 ports
1 x data line (USB port)
1 x power cable
8 x DB antenna