Orange of Romania is now offering Huawei E5786, calls it Air Net E5786 4G +. It is basically available with contract and also contract free. In contract it is available for 8.99 EURO, which you can also purchase it in a go for 140 EURO.
The MiFi router offers 4G+, means you will get download speed up to 300 Mbps and also upload speed up to 50 Mbps. You can share the internet through WiFi to up to 10 Wi-Fi enabled devices.
Huawei‘s Air Net E5786 4G+ comes with a powerful 3000mAH battery and has also a microSD card slot that can be upgraded up to 32 GB storage. It also offers send / receive SMS via its web interface.
Since, the offer is available through Orange network provider of Romania, it will be locked to Orange carrier and you are not free to use any another network provider SIM. For unlocking and charge refer this article.