Professional 16 ports 4G LTE 3G GSM SMS modem pool AT commands with STK recharge and IMEI change

Industrial modules (optional)
Wavecom: Q2403A,Q2406B,Q24Plus etc.
Simens:TC35i,MC55i. Simcom 3G modules:5215A/E,5216A/E,5218A/E,5215D
Quectel: M35, GC65 (optional)

GSM frequency: 900/1800 MHz or 900/1800/1900mhz or 850/900/1800/1900MHz.

3G WCDMA:  900/2100Mhz, 850/1900Mhz,850/1900Mhz.

4G LTE FDD TDD: SIM7600E ( FDD B1/B3/B5/B7/B8/B20, TDD B38/B40/B41;3G B1/B5/B8,GSM900/1800 MHz );

SIM7600A ( 4G LTE FDD B2/B4/B12(1900/1700/700mHZ),3G B2/B5(850/1900Mhz)).

Function: sms,mms,call,data transmission,stk
Support: TCP/IP (Q2406b support)/OPEN AT/IMEI changeable
16 SIM card(big/small) slots
Comply with GSM phase2 standard
Cluster send and receive SMS

Data transfer for 4G version only

LTE CAT1-Uplink up to 5Mbps-Downlink up to 10Mbps
HSPA+ -Uplink up to 5.76Mbps-Downlink up to 42 Mbps
UMTS-Uplink/Downlink up to 384Kbps
EDGE Class-Uplink/Downlink up to 236.8Kbps
GPRS -Uplink/Downlink up to 85.6Kbps

SMA antenna:3DBI
Input voltage: 100 to 240V
Working temperature: -20 to +60 degrees
Storage temperature: -25 to +70 degrees
Double tone multi-frequency function(DTMF)
Send 9600 SMS per hour for one SIM card , 14400 SMS per hour for 16 SIMS.

Interface: USB
Baud Rate : 300-115200 bits / s
Automatic baud rate: from 2400 to 19200 bits / s
GPRS compatible
WAP compatible
SMA Antenna Interface
SIM Card Outlet
Power connector
USB cable

AT command control ( GSM 07.07 and 07.05)

Applications:
Large shopping malls, supermarkets
Professional market, large wholesalers
Large hotels, large-scale entertainment
Large agencies
Transport, logistics industry
Large enterprises, and institutions
Large hospitals, large bookstore
Newspaper, television and radio stations
Oil Company ( other chain business model)
Government agencies or large township