Realtek RTL8192ES-CG 2T2R Wi-Fi SoC Single-Chip 802.11b/g/n SDIO Interface 2.4GHz Wireless LAN Controller QFN-56

PRTL8192ES-CG Product Overview

The Realtek RTL8192ES-CG is a highly integrated single-chip 802.11b/g/n 2.4GHz Wireless LAN (WLAN) controller. Housed in a QFN-56-EP (7×7mm) compact package， the RTL8192ES-CG integrates WLAN MAC, a 2T2R-capable baseband, and RF front-end into a single chip. The RTL8192ES-CG supports the SDIO 1.1/2.0/3.0 interface for high-speed data communication with the host controller. The chip integrates Power Amplifier (PA), Low Noise Amplifier (LNA), and Transmit/Receive Switch (TRSW) , eliminating the need for external RF front-end modules. With 2×2 MIMO (Multi-Input Multi-Output) technology, the RTL8192ES-CG can achieve physical layer data rates of up to 300Mbps, making it an ideal wireless connectivity solution for Set-Top Boxes (STB/OTT), IP Cameras, smart TVs, industrial control, and various embedded Wi-Fi applications.

RTL8192ES-CG Key Features

The RTL8192ES-CG embodies Realtek's deep expertise in highly integrated Wi-Fi SoC design. The chip supports IEEE 802.11b/g/n standards operating in the 2.4GHz band. The RTL8192ES-CG features a 2T2R (2-Transmit, 2-Receive) MIMO architecture, significantly improving data throughput and wireless coverage, achieving physical layer rates up to 300Mbps with 40MHz bandwidth. The chip integrates a complete RF front-end, including Power Amplifier (PA), Low Noise Amplifier (LNA), and Transmit/Receive Switch (TRSW) , eliminating the need for external FEM modules. The RTL8192ES-CG supports the SDIO 1.1/2.0/3.0 interface for high-speed data transfer. The chip features built-in Power Saving Mechanisms, supporting 802.11n power-saving modes to effectively reduce power consumption. The RTL8192ES-CG operates at 3.3Vwith an operating temperature range of 0℃ to +70℃.

RTL8192ES-CG Applications

With its highly integrated 2T2R Wi-Fi functionality and compact QFN package, the RTL8192ES-CG is widely deployed in various wireless networking applications. The chip is a core solution for Set-Top Boxes (STB/OTT Box) wireless connectivity. The RTL8192ES-CG is ideal for IP Cameras, providing stable wireless video transmission for security surveillance. In smart TVs, smart projectors, and other consumer electronics, the RTL8192ES-CG delivers high-throughput Wi-Fi connectivity. The RTL8192ES-CG is also suitable for industrial control, IoT gateways, and smart home hubs requiring reliable wireless connections. Additionally, the chip is widely used in Wi-Fi modules, USB dongles, wireless storage devices, and more.

RTL8192ES-CG Key Advantages

The RTL8192ES-CG stands out as a mature, commercially available 2T2R Wi-Fi SoC that strikes an excellent balance between performance, integration, and cost. Housed in a QFN-56 (7×7mm) compact package, the chip integrates WLAN MAC, 2T2R baseband, RF front-end (PA/LNA/TRSW) , and SDIO interface controller into a single device. 2×2 MIMO technology delivers up to 300Mbps physical layer rates, nearly doubling throughput and providing wider coverage compared to single-antenna solutions. The RTL8192ES-CG supports the SDIO 3.0 high-speed interface, ensuring a high-speed data path to the host controller. The chip's integrated RF front-end eliminates the need for external FEM modules, significantly reducing BOM cost and PCB footprint. The RTL8192ES-CG offers comprehensive driver support for Linux, Android, and OpenWrt, accelerating product development cycles. The RTL8192ES-CG offers system integrators and OEMs a highly competitive high-performance Wi-Fi connectivity solution.

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FAQs:

1 What is the RTL8192ES-CG chip
RTL8192ES-CG is a 2.4GHz single band Wi-Fi network controller chip from Realtek that supports IEEE 802.11b/g/n wireless communication protocols and is widely used for embedded wireless connectivity.

2 What package and pin count does it use
RTL8192ES-CG adopts a QFN56 no lead surface mount package with 56 pins and a very compact footprint suitable for high density PCBA designs.

3 What network transmission speeds does it support
RTL8192ES-CG supports the 802.11n protocol with a theoretical maximum physical layer transmission rate of up to 150Mbps meeting the wireless data bandwidth needs of most IoT and embedded devices.

4 What is the communication interface with the host controller
RTL8192ES-CG communicates with the host MCU or SoC via a standard SDIO interface and is compatible with SDIO 2.0 and later protocol versions.

5 What application scenarios is this chip suitable for
RTL8192ES-CG is widely used in smart set top boxes IP cameras wireless routers industrial IoT gateways printers and various consumer embedded Wi-Fi devices.

6 What are the operating voltage and temperature ranges
For RTL8192ES-CG, the IO interface voltage supports configurable dual modes of 1.8V or 3.3V. The industrial grade operating temperature range is from minus 20 degrees Celsius to plus 85 degrees Celsius ensuring excellent environmental adaptability.

7 Does it support low power saving features
RTL8192ES-CG supports multiple Wi-Fi low power saving modes allowing dynamic power adjustment based on actual traffic to effectively extend standby time for battery powered portable devices.

8 How should the RF antenna section be designed
RTL8192ES-CG provides RF transceiver ports requiring 50 ohm characteristic impedance trace routing on the external PCB which can directly connect to an onboard PCB antenna ceramic antenna or an IPEX RF connector.

9 What are the PCB design considerations for the QFN56 package
For RTL8192ES-CG, the exposed thermal pad on the bottom must be grounded to a large copper area for heat dissipation and signal return. The SDIO data lines should be length matched and the RF trace must strictly follow 50 ohm impedance matching requirements.

10 Does the chip require an external crystal oscillator
Yes, RTL8192ES-CG does. RTL8192ES-CG requires an external precision reference clock crystal with the specific frequency subject to the datasheet typically around 40MHz to provide a stable operating clock for the internal RF circuit.