SMS modem is connected to computer or other device through USB interface and sends and receives text messages over the GSM network.Built-in wireless 4g modules can insert into 8 SIM cards to send and receive sms in bulk.
Approximately 3600 text messages per hour per port
Operation System
Win all, Linux, android
Free Software
SMS Caster
Because the 4G frequency band is different in different countries or regions, when placing an order, please indicate the country in which the product is used. If there is no indication, we will select the corresponding frequency band model based on the country where the shipping address is located.
The EC20/EC200A module and is not suitable for use in the United States, Canada, or Japan. If you need to use it in these countries, Please consult customer service to recommend other 4G modules for you, such as EC25.
EC25-EUX /EC200A-EU:(Asia, Europe,Africa, the Middle East,Southeast Asia, Russia) LTE FDD: B1,B3,B5,B7,B8,B20,B28 LTE TDD: B38,B40,B41 WCDMA: B1,B5,B8 (900/2100MHz) GSM: B3,B8 (900/1800MHz) EC25-AFX :(United States and Canada) LTE FDD: B2/B4/B5/B12/B13/B14/B66/B71 WCDMA:B2/B4/B5 (1900,1700,850MHz) EC25-AUX /EC200A-AU:(Australia, New Zealand and Latin America) LTE FDD: B1/B2/B3/B4/B5/B7/B8/B28/B66 LTE TDD: B40 WCDMA: B1/B2/B4/B5/B8 (850,900,1700,1900,2100MHz) GSM:B2/B3/B5/B8 (850,900,1800,1900MHz) EC25-J:(Japan) LTE FDD: B1/B3/B8/B18/B19/B26 LTE TDD: B41 WCDMA: B1/B6/B8/B19 EC20 /EC200A-CN:(Part of the country in Asia, Africa, the Middle East) LTE FDD: B1/B3/B5/B8 LTE TDD: B34/B38/B39/B40/B41 WCDMA: B1/B5/B8 (900,2100MHz) TD-SCDMA: B34,B39 (900,2100MHz) EVDO CDMA: BC0 (800MHz) GSM: B3,B8: (900,1800MHz)
Operating System
Win all, Linux, android
SIM interface
Default is 2FF Mini SIM (15mm*25mm), Optional conversion to 1FF (big size IC card)
Working voltage
DC 5V
TTL voltage
DC 3.3V
OEM / ODM
Bulk Customization
Warranty
One Year
SMS modem is a type of modem specifically designed for sending and receiving text messages. It can be connected to a computer or other device through a serial interface and send and receive text messages through the GSM network.
They are widely used in various automation systems, remote monitoring, alarm systems, and other fields to achieve remote communication and data transmission.