8-Port GSM Modem ( Stock Available )

Dear Sir,
We sell 8-Ports & 16-Ports GSM Modem,
Modem Fiture:
a). Wavecom q2403 GSM/GPRS Modem Module.
b). Frequency band GSM/GPRS: 850/900/1800/1900MHz.
c). Network protocols GSM & GPRS.
d). Windows-XP, Windows-7, Windows-10, Mac 9.8x, Linux.
e). Adaptable to all open keep working under status of " Hardware"
f). External Adapter to assure stable voltage.
g). TCP/IP, GPRS, FTP, UDP/PPP
h). Connection USB-2.0 & USB-3.0.
i). AT Command.
j). 8-Sim Card Slot.
k). Free sms software.

Use Application:
a). Online & Off-Line FlexiLoad & bkash Server.
>GSM/GPRS 850/900/1800/1900MHz.
b). High-Speed bulk sms sending, each can send 10000pcs of sms within 1 hour.
c). Support IMEI change with software,easier to operate,better user experience.
d). Other use Interface based
8-Port GSM Modem Pool Available