EG25GGC-128-SGNS by Quectel Wireless Solutions Co., Ltd： Features,Symbol,Footprint and Datasheet

Quectel EG25GGC-128-SGNS +BOM

The Quectel EG25GGC - 128 - SGNS is an LTE Cat 4 module optimized for M2M and IoT. Supporting 3GPP Rel. 11, it offers up to 150Mbps downlink and 50Mbps uplink. With global LTE/UMTS/GSM coverage, it's backward - compatible with EDGE/GPRS. Featuring multi - constellation GNSS (GPS, GLONASS, BeiDou, etc.), it ensures fast and accurate positioning. Equipped with USB 2.0, UART, and I2C interfaces, it supports DFOTA and eCall*. Compact (29x32x2.4mm), low - power (20μA off), and operating at - 35°C~+75°C, it suits industrial routers, video surveillance, and rugged devices.

Quectel EG25GGC-128-SGNS' Features

I. Communication Capabilities

1. Multi-network Standard Support
   

• LTE-FDD: Supports bands B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28
  • Downlink rate: Up to 150Mbps; Uplink rate: Up to 50Mbps.
• LTE-TDD: Supports bands B38/B39/B40/B41
  • Downlink rate: Up to 130Mbps; Uplink rate: Up to 30Mbps.
• UMTS/HSPA+: Supports bands B1/B2/B4/B5/B6/B8/B19
  • DC-HSDPA downlink rate: Up to 42Mbps; HSUPA uplink rate: Up to 5.76Mbps.
• GSM/EDGE: Supports bands B2/B3/B5/B8
  • EDGE downlink rate: Up to 296Kbps; Uplink rate: Up to 236.8Kbps.
• Backward compatibility: Can fall back to GSM/GPRS/EDGE networks to ensure connectivity in remote areas.
  

2. Global Frequency Band Coverage
   Supports mainstream operator bands worldwide (e.g., Europe, North America, China, Japan, etc.), meeting international deployment requirements.

II. Positioning and Navigation

• GNSS multimode reception: Integrates Qualcomm® IZat™ Gen8C Lite technology, supporting GPS/GLONASS/BeiDou/Galileo/QZSS (optional).
• Advantage: Faster and more accurate positioning, suitable for scenarios requiring real-time location information (e.g., vehicle-mounted, asset tracking).

III. Hardware and Interfaces

1. Compact Design
   

• Size: 29.0mm × 32.0mm × 2.4mm, weight approx. 4.9g, using LGA package (default), compatible with LCC package design.
• Compatibility: Pin-compatible with other Quectel modules (such as UC20/UC200T, EC2x/EG21-G), supporting flexible migration.
  

2. Rich Interfaces
   

• Communication interfaces:
  • UART × 2 (main serial port and debug serial port)
  • USB 2.0 high-speed interface (up to 480Mbps)
  • (U)SIM card interface (supports 1.8V/3.0V)
• Expansion interfaces:
  • PCM (digital audio, optional), I2C, ADC × 2, SDIO × 2 (for Wi-Fi and SD cards)
  • SGMII (Ethernet), BT* (Bluetooth, optional)
• Antenna interfaces: Supports main antenna, receive diversity antenna (Rx-diversity), and GNSS antenna pads.

IV. Software and Protocols

1. Driver Support
   

• Operating systems:
  • Windows 7/8/8.1/10 (USB serial port, NDIS, MBIM drivers)
  • Linux 2.6~5.4 (USB serial port, GobiNet, QMI_WWAN drivers, etc.)
  • Android 4.x~9.x (USB serial port, GNSS, RIL drivers).
    

2. Protocols and Functions
   

• Network protocols: Supports TCP/UDP/PPP/FTP/HTTP/HTTPS/MQTT, etc., adapted for IoT applications.
• Enhanced functions:
  • DFOTA (Delta firmware over-the-air upgrade)
  • eCall* (vehicle emergency call, under development)
  • DTMF (Dual-Tone Multi-Frequency), QuecFile* (file management), QuecLocator® (positioning service).

V. Performance and Reliability

1. Transmission Technology
   

• MIMO technology: Supports receive diversity antenna (Rx-diversity) to improve data rate and link reliability.
• Voice functions: Supports VoLTE (optional), digital audio, echo cancellation, and noise suppression.
  

2. Electrical Characteristics
   

• Power supply voltage: 3.3V~4.3V (typical value 3.8V).
• Power consumption:
  • Shutdown mode: 20μA
  • Sleep mode: 3mA (typical value)
  • Idle mode: 22mA
• Operating temperature:
  • Standard range: -35°C ~ +75°C
  • Extended range: -40°C ~ +85°C (adapts to harsh environments).

Quectel EG25GGC-128-SGNS' Applications

I. Industrial Internet of Things (IIoT)

• Supports LTE Cat 4 high data rates (150Mbps downlink) and multi-band coverage, meeting real-time data collection and remote monitoring requirements.

• Backward compatible with GSM/EDGE networks to ensure reliable connectivity in remote industrial sites lacking 4G/3G coverage.

• Provides SGMII Ethernet interfaces and rich UART/USB interfaces for protocol conversion and multi-device integration in industrial equipment.

• Compact design (29mm×32mm) and low power consumption (3mA in sleep mode), suitable for portable devices requiring miniaturization and long battery life.

• Supports VoLTE (optional) and digital audio interfaces (PCM) for voice communication and multimedia data collection (e.g., barcode scanning, image transmission).

• Integrated multi-constellation GNSS (GPS/BeiDou, etc.) for asset positioning and path tracking.

II. Intelligent Vehicle and Transportation

• Multi-constellation GNSS positioning (supports BeiDou/GPS/GLONASS) for high-precision real-time location data (suitable for vehicle navigation and trajectory tracking).

• Supports eCall* (in-vehicle emergency call, under development) and DTMF for secure communication and emergency response.

• Wide operating temperature range (-40°C~+85°C) to withstand temperature fluctuations in vehicle environments.

• MIMO technology enhances wireless link reliability, ensuring stable transmission of video monitoring data.

• DFOTA (Delta Firmware Over-The-Air) supports remote maintenance, reducing operational costs for large-scale device deployment.

III. Security and Surveillance

• High-speed LTE transmission (150Mbps downlink) enables real-time HD video streaming.

• Compatible with Wi-Fi (via SDIO interface expansion) and Bluetooth* (BT4.0, optional) for multi-network collaboration and sensor integration.

• Supports security protocols like HTTPS/SSL to ensure data transmission security.

• Rich interfaces (e.g., I2C, ADC) adapt to various sensor connections (temperature/humidity, smoke, access control, etc.).

• Low power design (20μA in shutdown mode) extends battery life for battery-powered devices.

IV. Consumer and Commercial Electronics

• USB 2.0 high-speed interface for plug-and-play compatibility with laptops and tablets.

• Global frequency band coverage (LTE-FDD/TDD, UMTS, GSM) for network switching in cross-border travel or business scenarios.

• Supports FTP/HTTP protocols for remote multimedia content (images, videos) updates.

V. Other Vertical Fields

• GNSS positioning and low power consumption for long-term deployment and location tracking of field devices.

• Fallback to GSM/EDGE networks for network coverage in remote farmland or mountainous areas.

• Supports MQTT protocol (IoT standard protocol) for secure medical data transmission and cloud storage.

• Hardware compatibility (pin-compatible with EC2x modules) facilitates device iteration and reduces R&D costs.

Quectel EG25GGC-128-SGNS' Attributes

Quectel EG25GGC-128-SGNS' Datasheet

Quectel EG25GGC-128-SGNS' Symbol and Footprint

Quectel EG25GGC-128-SGNS' Category-LTE Cat 4 module optimized for M2M and IoT

The LTE Cat 4 module, optimized for M2M (Machine-to-Machine) and IoT (Internet of Things) applications, serves as a critical enabler for seamless connectivity in intelligent systems. Designed to meet the demands of industrial and consumer IoT scenarios, it offers robust performance with high data throughput, global network compatibility, and low-power efficiency. Leveraging 3GPP Rel. 11 technology, it delivers maximum downlink speeds of up to 150 Mbps and uplink speeds of 50 Mbps, ensuring rapid transmission of real-time data, such as HD video streams, sensor readings, and remote control signals.
A key advantage lies in its multi-network compatibility, supporting LTE-FDD, LTE-TDD, UMTS/HSPA+, and GSM/GPRS/EDGE. This versatility allows devices to operate seamlessly across global networks and fallback to legacy systems in areas with limited 4G/3G coverage, enhancing reliability in remote or underserved regions. The integration of multi-constellation GNSS (GPS, GLONASS, BeiDou, Galileo, and QZSS) further elevates its utility, providing fast and precise positioning for applications like fleet tracking, asset management, and smart transportation.
For hardware design, the module features a compact form factor, typically around 29mm x 32mm x 2.4mm, and low power consumption (e.g., 20μA in power-off mode), making it ideal for space-constrained and battery-powered devices. It supports a wide range of interfaces (USB 2.0, UART, I2C, SDIO) and industrial protocols (TCP/UDP, MQTT, HTTPS), enabling easy integration with sensors, cameras, and other peripherals. Advanced features like DFOTA (Delta Firmware Over-The-Air) simplify remote maintenance, while MIMO technology enhances wireless link stability.
The Quectel EG25GGC-128-SGNS exemplifies these capabilities as a leading LTE Cat 4 module for M2M/IoT. Built on the EG25-G platform, it combines global band coverage, rugged temperature tolerance (-35°C to +75°C, extendable to -40°C to +85°C), and certifications from major carriers and regions. Whether deployed in industrial routers, video surveillance systems, or rugged tablets, it ensures reliable, high-performance connectivity, driving the innovation of smart applications across industries.

EG25GGC-128-SGNS' Manufacturer-Quectel 

In the realm of LTE Cat 4 modules optimized for M2M and IoT, Quectel has established itself as a leading innovator, driving connectivity across diverse industries. The company’s breakthroughs lie in integrating high-performance wireless technologies with compact, power-efficient designs tailored for machine-to-machine communications. For instance, its EG25-G series modules, including the EG25GGC-128-SGNS, exemplify this excellence by supporting 3GPP Rel. 11 LTE with peak data rates of 150 Mbps downlink and 50 Mbps uplink, ensuring rapid data transmission for real-time IoT applications like industrial automation and video surveillance.
Quectel’s commitment to global compatibility is evident in its modules’ support for wide-ranging frequency bands across LTE-FDD, LTE-TDD, UMTS, and GSM networks, enabling seamless connectivity in over 150 countries. This versatility, coupled with backward compatibility with EDGE/GPRS, ensures reliability even in regions with limited 4G coverage. The inclusion of multi-constellation GNSS (GPS, GLONASS, BeiDou, Galileo, QZSS) further enhances their utility in location-sensitive applications such as fleet tracking and smart agriculture.
The company’s focus on hardware innovation is reflected in features like MIMO technology for improved link stability, DFOTA (Delta Firmware Over-The-Air) for remote maintenance, and a compact LGA package (29x32x2.4mm) that simplifies integration into rugged devices. Additionally, Quectel modules support extensive industrial protocols (MQTT, HTTPS, TCP/UDP) and interfaces (USB 2.0, UART, I2C), catering to diverse IoT ecosystems.
Certifications from major carriers (e.g., Deutsche Telekom, Verizon) and regulatory bodies (CE, FCC, SRRC) underscore their global market readiness. The EG25GGC-128-SGNS, in particular, stands out with its extended temperature range (-40°C to +85°C), low power consumption (20μA in standby), and rugged design, making it ideal for harsh industrial environments. By combining technical excellence with industry-specific solutions, Quectel has solidified its position as a trusted provider of LTE Cat 4 modules, powering the next generation of M2M and IoT innovations worldwide.

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