Dragino HE es un módulo integrado con sistema operativo Open Source OpenWRT Linux y con soporte para Wifi 150M 2.4G (802.11 b/g/n). El módulo también cuenta con interfaces Ethernet, USB, UART y GPIOS.

Especificaciones:

·         CPU: ATHEROS AR9331 chipset, which integrates MIPS 24Kc processor, CPU 400MHz, Switch (MAC, PHY) and integrates with MAC, RF, PA and LNA for WiFi. 

·         RAM : 64MB;

·         Flash : 16MB

·         Interfaces: 2 x RJ45, 1 x USB Host, 1 x UART, 14 multiplex GPIOs

·         OS: Open Source OpenWrt 

·         Power: 3.3v power input

·         WiFi: Support 150M 2.4Ghz WiFi, 802.11 b/g/n

·         Frequency range: 2.4~2.4835GHz

·         Modulation: BPSK, QPSK, CCK and OFDM (BPSK/QPSK/16-QAM/ 64-QAM)

·         Sensitivity @PER : 135M : -65dBm@10%PER; 65M : -65dBm@10%PER; 54M : -68dBm@10%PER; 11M : -84dBm@8% PER; 6M : -88dBm@10% PER; 1M : -90dBm@8% PER

·         Typical Distance: Indoor: 60m (max); Outdoor 150m (max) (with 2 dBi antenna) 

·         RF Power: 11n: 13dBm; 11g: 13-15dBm, 11b: 16-18dBm,

·         Connector: I-PEX connector. Provide Optional ANT pin out for SMT

Documentación:

Datasheet

Gerenal Reference Design:  Start Kit

Arduino Yun Reference Design: Yun Shield

Source Code: Mesh IoT Firmware Source

Source Code: Arduino Yun Source Code

FCC / CE / RoHS Certificate: Certificate

Wiki Page link: HE Wiki Page

Video 1: Use HE to build Arduino Yun solution.

Aplicaciones Típicas:

•         IoT
•         Voz sobre IP
•         Mesh Wifi
•         Router 3G/4G
•          Control Industrial