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Product Descriptions

The highly integrated RK903 module makes the possibilities of web browsing, VoIP, Bluetooth headsets, FM radio functional applications and other applications. With seamless roaming capabilities and advanced security, RK903 can also interact with different vendors’ 802.11b/g/n Access Points in the wireless LAN. 

The wireless module complies with IEEE 802.11 b/g/n standard and it can achieve up to a speed of 72.2Mbps with single stream in 802.11n draft, 54Mbps as specified in IEEE 802.11g, or 11Mbps for IEEE 802.11b to connect to the wireless LAN. The integrated module provides SDIO (4bit/1bit) / gSPI / HSIC interface for WiFi, UART / I2S / PCM interface for Bluetooth and UART / I2S / PCM interface for FM. 

This compact module is a total solution for a combination of WiFi + BT + FM technologies. 

The module is specifically developed for Smart phones and Portable devices.

Product Features

z 802.11b/g/n single-band radio  

z Bluetooth V4.0(HS) with integrated Class 1 PA and Low Energy (BLE) support  

z Concurrent Bluetooth, FM (RX) RDS/RBDS, and WLAN operation  

z Simultaneous BT/WLAN receive with single antenna  

z WLAN host interface options:  

- SDIO v2.0x (1-bit/4-bit) — up to 50 MHz clock rate  

- gSPI — up to 48 MHz clock rate  

z BT host digital interface:  

- UART (up to 4 Mbps)  

z FM multiple audio routing options: I2S, PCM, eSCO, A2DP  

z IEEE Co-existence technologies are integrated die solution  

z ECI — enhanced coexistence support, ability to coordinate BT SCO transmissions  around WLAN receives  

A simplified block diagram of the module is depicted in the figure below.

Actual product photos

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