详细说明 
深圳市牧歌无线技术有限公司是一家专业生产3G无线通讯设备的生产厂家。本款产品是针对中国联通WCDMA/HSDPA/HSUPA /UMTS网络制式而开发的数据传输网络设备，支持OEM/ODM,语言和频段定制等。 


本款产品品质，工艺精良。出厂产品都通过多道程序综合校准。信号稳定，传输速度快。自动安装，不同于市场上偷工减料的网卡。建议买家打开机器，比较PCBA板，查看有无校准综合测试口，天线，屏蔽罩，等等细节，一目了然，避免上当 
  
产品功能特点 


采用标准USB接口，通过USB接口直接取插，携带使用方便。 
◆ 数据传速率：在WCDMA网络环境下，下行最大7.2Mbps， 
◆ 智能化电源管理，自动适应功率调整，确保基站切换和高速移动中不掉线，在高速移动的火车或汽车中仍可保持良好的上网速度。 
◆ 建立连接的速度快，从拨号到连通时间小于5秒。 


网络类型：  UMTS/HSUPA/WCDMA 
USB接口类型：  USB2.0 
产品型号：  U900 
天    线：  内置天线 
工作电压：  5V 
芯    片：  高通MSM6290 
频率范围：  （1）HSUPA/HSDPA/UMT2100MHz（默认）其它3G频段可定制。 
（2）EDGE/GPRS/GSM850/900/1800/1900MHZ（可选） 
数据传输率  5.76Mbps（上行）/7.2Mbps（下行） 
锁卡功能：  可定制（选择） 
其它功能：  支持phone Book, Voice call ,SMS and USSD etc. 
是否支持Micro SD卡：  最大支持TF卡32G 
工作电流：  最大500mA 
AT指令端口：  支持3GPP TS27.005/007 
工作温度：  -20~55 ℃ 
存储温度：  -30~65 ℃ 
支持系统：  Windows 2000/XP/7/8/Vista /Mac 
接收分集：  可以接收客户定制。 
产品认证：  CE ，ROHS,FCC 
支持语言：  英语（默认）兼容西班牙语， 意大利语， 法语，其它语言可定制。 
QC接口：  支持综合校准口 
产品尺寸：  90*27*12 
产品外壳颜色：  黑或白（默认） 
重    量：  约30g
联系QQ：1963727174






Details
Pastoral Wireless Technology Shenzhen Co., Ltd. is a professional manufacturer of 3G wireless communications equipment manufacturers. This watch is for China Unicom's WCDMA / HSDPA / HSUPA / UMTS network standard and the development of data transmission network equipment, support OEM / ODM, language and band customization.


This paragraph product quality, sophisticated technology. Manufactured products through multi-channel integrated calibration procedure. Signal stability, transmission speed. Automatically installed, unlike the market jerry card. The proposed buyer to open the machine, more PCBA board, check whether the calibration integrated test port, antenna, shield, so the details at a glance, to avoid fooled
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Product Features


Using a standard USB interface, direct access via the USB interface plug, portable and easy to use.
◆ Data transfer rate: Under the WCDMA network environment, the maximum downlink 7.2Mbps,
◆ intelligent power management, automatically adapt to power adjustments to ensure high-speed mobile switching and base station are not dropped, the fast-moving train or car can still maintain a good connection speed.
◆ establish faster connection from dial-up connection time to less than five seconds.


Network type: UMTS / HSUPA / WCDMA
USB Interface: USB2.0
Model: U900
Antenna: Internal Antenna
Operating voltage: 5V
Chip: Qualcomm MSM6290
Frequency range: (1) HSUPA/HSDPA/UMT2100MHz (default) other 3G bands can be customized.
(2) EDGE/GPRS/GSM850/900/1800/1900MHZ (optional)
Data transfer rate 5.76Mbps (uplink) / 7.2Mbps (downlink)
Lock card features: Customizable (choose)
Other features: Support phone Book, Voice call, SMS and etc USSD.
Support Micro SD card: Maximum support 32G TF card
Working current: 500mA maximum
AT command interface: Supports 3GPP TS27.005/007
Working temperature: -20 ~ 55 ℃
Storage temperature: -30 ~ 65 ℃
Support System: Windows 2000/XP/7/8/Vista / Mac
Receive persity: can receive customized.
Certification: CE, ROHS, FCC
Supported languages: English (default) compatible with Spanish, Italian, French and other languages ??can be customized.
QC Interface: Support comprehensive calibration port
Size: 90 * 27 * 12
Product Color: black or white (default)
Weight: about 30g