4G LTE GSM Gateway - Skyline 32 Port
Multi-functional and high performance product, which supports SMS sending, receiving and group sending. It’s different from traditional modem, it’s based on IP network, with the SMPP/HTTP API, customers can develop SMS server easily. It is widely used in mobile marketing, verify code, bulk of SMS and corporate SMS. Can do voice and sms.
Features
1) Each channel Support 1 port work
2) 4, 8, 16, and 32 port
3) AT command directly
4) Base Station Change
5) Support USSD balance enquiry, billing
6) Direct to monitor Status of Sending SMS
7) Support to do sms route
8) Auto suffer the internet to useInternet traffic
9) Support SIMS hot-swap
10) Support SMPP server/client
11) Support HTTP/SIP SMS API
12) Direct to open gateway software page in Webpage
13)Relay Encryption Solution(Fix IP Blocking)
14)Bandwidth Optimization
SK-LTE Gateway Series (4 / 8 / 16 / 32 Ports)
The SK-LTE Gateway is a high-performance, multi-functional 4G LTE voice and data gateway designed for enterprise and carrier-grade applications. Built on advanced embedded technology, it enables organizations to handle traditional voice communications while simultaneously providing high-speed LTE internet connectivity.
Engineered with a modern hardware and software architecture, the SK-LTE Gateway is available in 4, 8, 16, and 32-port models, supporting up to 32 concurrent LTE channels for scalable, reliable, and secure telecom operations.
Key Features
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Relay Encryption Solution – prevents IP blocking and enhances call security
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Bandwidth Optimization – ensures efficient call and data transmission
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Automatic SIM Rotation – avoids SIM card blocking from continuous usage
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Base Station Switching – improves network resilience and call quality
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SIM Hot-Plugging – allows replacement without rebooting the system
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Remote Management – control, configure, and monitor devices anywhere
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Multi-Codec Support – compatible with G.729 a/b/e, G.723.1, G.711 A/U-law, iLBC
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Two-Way SMS – send and receive SMS messages directly
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USSD & AT Command Support – for advanced control and automation
Technical Specifications
| Parameter | Specification |
|---|---|
| Available Models | 4 / 8 / 16 / 32 LTE Channels |
| Protocols | SIP v2.0 (RFC 3261), RTP/RTCP (RFC 3551) |
| Functions | Echo & silence suppression, Caller anonymity, Volume control, PIN management |
| Supported Services | Voice, SMS, USSD, AT commands |
| LTE Frequency Bands | Multi-band support (700 / 850 / 900 / 1800 / 2100 / 2600 MHz – model-dependent) |
| Transmitter Power | Up to +23 dBm (typical LTE power class) |
| SIM Cards | 1 SIM per channel (hot-swappable, 3V/1.8V supported) |
| Antenna | SMA connector (50 Ω impedance) |
| WAN Interface | RJ-45 Ethernet port |