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AFM203T RTL8720CM WIFI bluetooth module
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AFM203T RTL8720CM WIFI bluetooth module

AFM203T is a low-power and small-volume embedded Wi-Fi + Bluetooth module. It uses Realtek's highly integrated wireless RF chip RTL8720CM and a small number of peripheral devices. The chip has built-in 802.11b / g / n Wi-Fi wireless Built-in ARM Cortex-M4F processing core, with large capacity (FLASH: 2MB ROM: 384KB) storage space (FLASH: up to 128MB), running space (SRAM: 256KB) and rich peripheral resources, RTOS system platform in MCU And the lightweight LWIP protocol, through packaging and optimization of the SDK, can meet a variety of embedded wireless communication applications.
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AFM203T
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Introduction:

AFM203T is a low-power and small-volume embedded Wi-Fi + Bluetooth module. It uses Realtek's highly integrated wireless RF chip RTL8720CM and a small number of peripheral devices. The chip has built-in 802.11b / g / n Wi-Fi wireless Built-in ARM Cortex-M4F processing core, with large capacity (FLASH: 2MB ROM: 384KB) storage space (FLASH: up to 128MB), running space (SRAM: 256KB) and rich peripheral resources, RTOS system platform in MCU And the lightweight LWIP protocol, through packaging and optimization of the SDK, can meet a variety of embedded wireless communication applications.

The official designated development board that matches the AFM203T module is RTL8720CM-EVB.

 

 

 

Technical details:

ARM Cortex-M4 processing core, clocked at 100MHz

3.3V, 5V DC single power supply

Package: Stamp Hole

Size: 24(L) × 15(W) × 3.0(T)mm

AFM203T structure

 

 

 

WLAN, Bluetooth parameters

Standard: 802.11 b / g / n 1x1
Transmit power: 11b: 18dBm / 11g: 16dBm / 11n: 15dBm
Receiving sensitivity: 11b: -93dBm / 11g: -82dBm / 11n: -76dBm
Communication rate: 11Mbps @ 11b / 54Mbps @ 11g / 150Mbps @ 11n
Working mode: STA, AP, STA + AP, Buletooth
Hardware encryption: WPA / WPA2
Antenna: external antenna, IPEX antenna interface, on-board antenna
 

 

 

 

Features:

Complete IoT solution (low-level development, cloud services, APP)
Support AT + application set secondary development
Support secondary development of C-SDK package
Support OTA wireless upgrade
Support Bluetooth smart networking, Airkiss WeChat distribution network function
Industrial-grade application design, 4-layer PCB design, performance consistency guarantee
FCC / CE certification, RoHS compliant
 

 

 

Software Features

Built-in IPV4 / IPV6 protocol stack
Built-in FreeRTOS system
Supports low power BLE 4.0
Supports HTTP / HTTPS (SSL) encryption
Support Ella Cloud, Amazon, Cloud, JD Cloud, Alibaba Cloud
Support customized private cloud or user private cloud docking
Support secondary development, secondary integration

 

 

 

 

Module model

Name

Description

AFM203TI

PCB on-board antenna

AFM203TO

IPEX external antenna

AFM203TP

RF-Pin external antenna

 

 

 

Application:

Intelligent electrical outlet
Industrial control
Intelligent home appliances
Internet of things applications
Thermal printer
LED control card
The POS

 

 

 

 

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Started guide 1.0 English 2020-10-16 104KB

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1.0 English 2020-10-16 258KB

 

 

 

 

Keyword:
AFM203T RTL8720CM WIFI bluetooth module
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