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![4G 64 Port Bulk SMS GSM Machine with Quectel EC25 Module USB Interface at Commands Bulk SMS 4G 64 Port Bulk SMS GSM Machine with Quectel EC25 Module USB Interface at Commands Bulk SMS](/template/opek/967-4g_64_port_bulk_sms_gsm_machine_with_quectel_ec25_module_usb_interface_at_commands_bulk_sms.jpg)
(6)
Support Bulk SMS/IMEI Change/AT Command/Send and receive SMS (5)
Power Source : 5-24
V DC. Technical Parameters : (1)
Type : 64 Port 4
G Modem Pool. (4)
Interface : USB Port. *EC25-AU : FDD-LTE B1/B2①/B3/B4/B5/B7/B8/B28 2100/1900/1800/1700/850/2600/900/700
Mhz, WCDMA B1/B2/B5/B8 2100/1900/850/900
Mhz, GSM B2/B3/B5/B8 1900/1800/850/900
Mhz. You can use 'AT Command' or some software to control each of the modems for sending SMS and changing imei. After connecting the modem pool to the computer through USB cable, the computer shows 64 COM Ports. The modem pool provides an efficiency way for management of numbers of modems. 64 Ports Modem Pool is a big bulk sms machine which consists of 64 of 4
G modems. (4)
Support Bulk SMS/IMEI Change/AT Command/Send and receive SMS. (7)
Control via AT Commands. *EC25-A : FDD-LTE B2/B4/B12 1900/1700/700
Mhz, WCDMA B2/B4/B5 1900/1700/850
Mhz.