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Model | 4G SK 16-256 SMS Gateway |
Number of Channels | 16 channels (one port with 16 sim cards rotate) |
SMS Sending Speed | 16 Port: 19200 SMS one hour 9600 MMS one hour |
Frequency | 2G GSM: 850/900/1800/1900MHz 3G: UG96 4G: EC25-EC |
SMS Control Protocols | EIMS (Skyline Private SMS Internet Protocol) |
Network Protocols | IPv4, TCP, UDP, PPPoE, DHCP, DNS, NAT, Telnet, HTTP, FTP, TFTP |
Configuration and Maintenance | Web-based GUI |
Console, Telnet command line | |
Remote Management Center | |
Firmware Update | Local file, FTP, TFTP and HTTP |
1 WAN 10/100Base-T Ethernet(RJ-45 connector) | |
1 LAN 10/100Base-T Ethernet(RJ-45 connector) | |
1 console(USB connector) | |
LEDs | 1 power and 16 groups of signal strength and running indicator(defining...) |
Power Supply | 100-240VAC, 50 - 60 Hz IN, 12V/8A OUT |
Dimensions | Rack mountable 1U chassis(compatible with 19" Rack) |
Width: 540mm | |
Height: 9mm | |
Depth: 430mm | |
Weight: 7KG | |
Operating Environment | Operating temperature: - 20ºC~50ºC |
Operating humidity: 10 – 90% | |
Warranty | 12 Months |




Module | Frequency | Suitable for Countries or Regions |
EC25-E | LTE FDD:B1/B3/B5/B7/B8/B20 LTE TDD:B38/B40/B41 WCDMA:B1/B5/B8 GSM:B3/B8 | Europe, Middle East, Africa, Korea, Thailand, Southeast Asia |
EC25-EC | LTE FDD: B1/B3/B7/B8/B20/B28A WCDMA: B1/B8 GSM: B3/B8 | Europe, United Arab Emirates |
EC25-J | LTE FDD:B1/B3/B8/B18/B19/B26 LTE TDD:B41 WCDMA:B1/B6/B8/B19 | Japan |
EC25-A | LTE FDD:B2/B4/B12 WCDMA:B2/B4/B5 | USA, Canada |
EC25-AU | LTE FDD:B1/B2/B3/B4/B5/B7/B8/B28 LTE TDD:B40 WCDMA:B1/B2/B5/B8 GSM:B2/B3/B5/B8 | Australia, New Zealand, Latin America, Mexico |
EC25-V | LTE FDD:B4/B13 | USA Verzon |


Trade Terms | FOB, CFR, EXW |
Payment Terms | Alibaba via Credit Card, Payonner, Payonner link via Credit Card, T/T, Webmoney, Skrill, Western Union, Cash |
Payment Condition | 100% deposit in adavance |
Delivery Time | 1-3 days after full payment |
Packing | Strong Carton Box with Water Proof |
Shipping | DHL, UPS, EMS, FEDEX, ARAMEX, TNT or Other Way As You Require |






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