#Terra M - Legacy Linux embedded Single Board Computer for GPRS applications

<abstract>
Terra-M is a legacy Linux single board computers
still maintained under production for the customers that
already are using it in their production.
</abstract>

<img src="terra.jpg">

## Features 

* [Aria G25 SoM](/aria) with ARM9 @ 400Mhz and 256Mbyte of RAM
* Quectel M95 quad-band GPRS module
* Holder for GSM SIM card 
* Holder for bootable microSD 
* Placement for an optional 1-wire thermal sensor DS18B20
* Connectors for up to 7 [Daisy add-on modules](/catalog_daisy)
* Front panel [DAISY-24](/DAISY-24) 
	* 16x2 character I2C alphanumeric LCD 
	* 4 push buttons
* Rear panel
	* Three USB 2.0 Host ports with separate power supply control:
	  * Port A hi-speed
	  * Port B hi-speed
	  * Port C full-speed
	* SMA connector for GSM antenna
	* Ethernet 10/100 LAN port
	* Power supply input: 9 to 28 VDC
* [Teko Tekal 31.29/30](http://www.teko.it/en/prodotti/famiglia/AL/serie/80) enclosure
* Size: 10x10 cm 
* [CE compliance](/download/brochures/CE_declaration.pdf) 
* [CE report](/download/brochures/Terra_CE_report.pdf)
* [ROHS and REACH compliance](/download/brochures/ROHS_declaration.pdf)
* Software
	* Debian "Jessie" 8.4 with Linux 4.4.x available 
	* @article='download_aria'


<br/>
<br/>

<center>
<img src="terra_map_1.jpg"  class="caption" title="Terra-M sections"/>
</center>

<img src="daisy24_terra.jpg" class="caption" title="LCD front panel"/>
<img src="daisy24_tekal.jpg" class="caption" title="TERRACASE enclosure based on Teko Tekal 31.29/30 case"/>