技术参数：

最高速率: 7.2Mbps 
HSUPA：2100MHZ
EDGE/GPRS/GSM：850MHz、900MHz、1800MHz、1900MHz 
数据传输和短信功能 
内置天线 
自带驱动，免光盘 
工作温度: -20°C / +60°C                                                                                                                                        

系统要求: 
300 Mhz CPU 
256MB 内存 
Microsoft Windows 7WindowsVista, Windows XP, Windows 2000  MAC Android
Internet Explorer 5.5 或更高版本 
40MB 可用磁盘空间

Huawei E173U ModemSpecifications

• HSDPA/UMTS 1900/2100MHz
• GSM/GPRS/EDGE (850/900/1800/1900MHz)
• DL 7.2Mbps / UL 5.76 Mbps
• Support Micro SD Card
• Support PC voice (optional) and SMS services
• Plug & Play
• Support Windows, MAC, Linux OS

Getting to Know E173U USB Stick

The following figure shows the appearance of the USB Stick. It is provided only for your reference. The actual product may be different.

1. USB Connector
It connects the USB Stick to a PC.

2. Strap Hole
You can tie the cap and the USB Stick together by threading a strap through the strap holes, so that the cap will not be easily lost.

3. Indicator
It indicates the status of the USB Stick.
 

• Green, blinking twice every 3s: The USB Stick is powered on.
• Green, blinking once every 3s: The USB Stick is registering with a 2G network.
• Blue, blinking once every 3s: The USB Stick is registering with a 3G/3G+ network.
• Green, solid: The USB Stick is connected to a 2G network
• Blue, solid: The USB Stick is connected to a 3G network
• Cyan, solid: The USB Stick is connected to a 3G+ network
• Off: The USB Stick is removed.

4. SIM/USIM Card Slot
It holds a Subscriber Identity Module(SIM)/Universal Subscriber Identity Module (USIM) card.

5. MicroSD Card and Slot
It holds a microSD card.
 

This Huawei E173U USB modem the size of a keychain that offers the same speed and ease of use as theE583C, but instead comes in a form factor suitable to those who want to only connect one laptop instead of sharing.