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[moved] Recommendations for a single board computer for IoT gateway project

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Grace2014

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[moved] Recomendations for single board computer for IoT gateway project

I am looking for an ARM single board computer for my IoT gateway project, who can recommend me one which could meet my requirements as below?
Low power
dual Ethernet
WIFI
bluetooth
OS Linux
low price
lifetime above ten years

I had a look at an item from Forlinx Embedded Tech. Co., Ltd and its name is i.MX6UL, its details are as below
i.MX6UL CPU Module Features
Code:
CPU: NXP i.MX6UL 
CAN: 2-ch
Architecture: Cortex-A7
USB DEVICE: 2-ch
Main Frequency: 528MHz
SD/MMC/SDIO: 2-ch
RAM: 512MB LvDDR3
Ethernet: 2-ch, 10/100M Ethernet
ROM: 4GB eMMC
UART/IrDA: 8-ch
Working Voltage: 5V
EINT/GPIO: Supported
GPU: PXP
Video Coder: Software codec
Dimentions: 50mm*40mm
EBI: Supported
Connection Type: Board-to-board pin connectors
JTAG: Supported
OS: Linux 3.14.38
CAMERA: 1-ch, 5.0M Megapixel parallel interface
LCD: RGB 24-bit
PWM: 8-ch
AUDIO: 3-ch
ADC: 10-ch
I2C: 4-ch
ISO7816-3: 2-ch
SPI: 4-ch
Keypad Port: 8*8
QSPI: 1-ch
SPDIF: 1-ch

i.MX6UL Carrier Board Features
Code:
AUDIO: 1x Phone,1x MIC, 2x Speaker
JTAG: Supported
I2C: 2-ch, pinned out
ADC: 4-ch for resistive touching
SPI: Supported
DIP: 8
CAN: 2-ch
Reset: 1
CAMERA: 1-ch, 5MP parallel interface camera, OV5640
PWM: 1-ch for LCD backlight
SD/MMC/SDIO: 1
LCD: 1-ch for 7'' resistive LCD
USB Host: 3x USB2.0 Host
EINT: Supported
USB Device: 1x USB micro 2.0 device
GPIO: Supported
Ethernet: 2x 10/100M Ethernet, RJ45
EBI: Supported
Serial Port: 3-ch, pinned out
WiFi&BT: 1
Power adapter: 5V
GPS: Serial port GPS module
LED: 4x LED
3G: USB 3G module
RTC: Supported

I'm now hesitating whether to buy it or not.
I want to buy it because of its low price (a single board computer i.MX6UL with 4.3'' resistive LCD promotion price is only $62), but what made me hesitate is that its carrier board is a little big because I want to find a complete board to be used in my project but do not want to design a new base board by myself.
Who can give me some suggestion.
Thank you so much for your kindly help in advance.
 
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