BTS
The SageRAN 2G+4G BTS is a dual-mode base station designed for operators that require both legacy 2G services and 4G broadband connectivity. Built on a common BBU and RRU architecture, it supports flexible deployment of GSM and LTE networks on a unified platform.
The solution is well suited for network replacement, basic voice and SMS services, low-rate data, remote-area coverage, mobile broadband, and IoT applications. With support for IP-based transport over IPRAN or satellite backhaul, it can be deployed in a wide range of network environments and connected to the BSC and core network through a centralized switching architecture.
Description
Features
Networking
Specifications
Features:
- Integrated 2G and 4G base station platform
- Common BBU and RRU architecture
- Support for GSM 900 MHz, DCS 1800 MHz, LTE B8, and LTE B3
- Up to 12 TRXs for 2G deployment
- Support for up to 6 LTE sectors with 4T4R
- Flexible configuration for coverage and capacity requirements
- Support for voice, SMS, GPRS/EDGE, mobile broadband, and IoT services
- IP-based transport over IPRAN or satellite backhaul
Networking:
Specifications:
|
COMMON |
Index |
|
BBU Form Factor |
ARM-based 2G and 4G baseband platform supporting protocol stack and physical-layer processing |
|
Synchronization |
GPS, BeiDou, IEEE 1588v2, and 1PPS+ToD |
|
RRU Configuration |
Common 2G/4G antenna; GSM 900 MHz + LTE B8 or DCS 1800 MHz + LTE B3 |
|
Backhaul |
30kHz |
|
Network Architecture |
BBU/RRU-based distributed architecture with BSC and core network connectivity |
| 2G | Index |
| Channel Spacing | 200 kHz |
| Cell Capability |
Up to 3 sectors per BTS, up to 12 TRXs per BTS |
| User Capacity | Up to 180 concurrent calls per BTS |
| Erlang Capacity | 130 Erlangs at 2% GoS |
| Supported Services | Voice, SMS, GPRS, and EDGE |
| Supported Voice Codecs | FR, HR, EFR, and AMR |
| Frequency Bands | GSM 900 MHz or DCS 1800 MHz |
| RRU Transmit Power | 2G/4G dual-mode: 2 *60 W total |
| GSM 900 MHz Output Power | 0–20 W, configurable |
| DCS 1800 MHz Output Power | 4*5 W or 2*10 W |
| 4G | Index |
| Cell Capability | Up to 6 sectors, 4T4R |
| Channel Bandwidth | Up to 20 MHz |
| User Capacity |
≥400 active users per sector; ≥600 connected users per sector |
| Frequency Bands | LTE B8 or LTE B3 |
| B8 Output Power | 40–60 W, configurable |
| B3 Output Power | 4 *40 W |
| Supported Services | Mobile broadband, private networks, and IoT services |
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