*Communication module: 2G: M26/M35; 3G: UC15/UG96/UC20; 4G:EC20/EC25*Character set Field: GSM/ HEX/ IRA/ PCCP437/ UCS2/ 8859-1/UCS2_08X1*2G GSM frequency: 850,900,1800,1900MHz(All frequency, can useing to all country)*3G WCDMA/TD-CDMA frequency: 800,850,900,1700,1900,2100MHz(According to the different countries, optional)*4G LTE frequency: 700-2600MHz(According to the different countries, optional)*Data features: TCP/UDP/FTP/PPP/HTTP/NTP/MMS/SMTP/PING/MQTT/USSD*Operating temperature: -35°C--+75°C*Storage temperature: -40°C--+90°C*Baud rate: 300-115200 bps*Applicable power supply: AC 100-240V 50-60Hz*Internal power supply: DC 5V*Power consumption: 2G: 0.05-5W/port; 3G and 4G: 01-10W/port*Antenna interface: SMA*SMS standard: ETSI GSM Phase2+/ 3GPP TS

FAQ

1. When SMS modem send bulk SMS, how many characters one message support?It follow International standard 160 English/numerals characters or 70 other characters, if more than, will come to next message automatically.2. Does SMS modem need to connect internet to use?No need.3. How about the After-sales service?A. Each port of device will be make sure tested before shipment.B. We will check and pack the goods carefully before shipping.C. Each shipping are guaranteed,once you got the goods, please check the device and accessaries, and confirm each cartons are undamaged. It is very important.D. Any damage and missing on the shipping way, please contact us in 24 hours, we will check out and solve the problem.4. Does supplier provide any technical support ?We 100% make sure provide professional techincal support at any time, including tech you how to install, how to use, and other technical question.