<p>Huawei E5573 can be used as a wireless modem when the Wi-Fi is enabled. All you need to do is insert a SIM card of your choice as it is UNLOCKED then the device is ready to use. SIM CARD OR SERVICE NOT INCLUDED! You will need to buy a SIM card with an ACTIVATED DATA PLAN. A maximum of ten wireless users can access the E5573 at the same time. The E5573 allows you to access the Internet via LTE/3G or Wi-Fi. When you are using the E5573 in areas with a Wi-Fi hotspot, for example, an airport, a cafe, a hotel, or your home, the E5573 switches to Wi-Fi connection automatically, saving your LTE/3G network traffic fees.</p> <p>Huawei E5573 provides a LED indications for Signal and Battery. Also you can scan a 2D barcode to download the HUAWEI Mobile WiFi App or quickly connect your device to the E5573Cs-509 to access the Internet!</p> <p>- COMPATIBLE with AT&T in the USA (Correct APN is "broadband")<br />- NOT compatible with Verizon and Sprint<br />- Please contact your seller if you need to check SIM card compatibility in different regions!</p> <p>Specifications:<br />- 4G Bands:1700(B4)/2600(B7)/700(B13)MHZ<br />- 3G Bands: UMTS B1/B2/B4/B5/B8 (2100/1900/1700AWS/850) MHz<br />- LTE Cat4 Up to 150 Mbps download; 50 Mbps upload<br />- DC-HSPA+ 42.2 Mbps download; 5.76 Mbps upload<br />- 1500mAh replaceable battery. Maximum 6 hours working<br />- Wi-Fi 2?2 802.11a/b/g/n; WEP/WPA/WPA2<br />- Support 10 devices at the same time<br />-Standard Sim Card Size Requiered<br />- 2x TS-9 antenna connector<br />- Standard 6-pin SIM card (NOT MICRO OR NANO)<br />- Dimensions: 97 x 58 x 13 mm<br />- Weight: 75 g (including the battery)</p>