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The Huawei E220 is a Huawei HSDPA access device manufactured by Huawei and notable for using the USB interface (USB modem). Technically it is a modem, USB and (due to the ISO 9660 format) virtual CD-ROM device. Launched on 21 June 2006, [1] the device is used for wireless Internet access using 3.5G, 3G, or 2G mobile telephony
In a market implementation, 3G downlink data speeds defined by telecom service providers vary depending on the underlying technology deployed; up to 384 kbit/s for UMTS (WCDMA), up to 7.2 Mbit/sec for HSPA, and a theoretical maximum of 21.1 Mbit/s for HSPA+ and 42.2 Mbit/s for DC-HSPA+ (technically 3.5G, but usually clubbed under the tradename ...
High Speed Downlink Packet Access (HSDPA) is an enhanced 3G (third-generation) mobile communications protocol in the High-Speed Packet Access (HSPA) family. HSDPA is also known as 3.5G and 3G+. It allows networks based on the Universal Mobile Telecommunications System (UMTS) to have higher data speeds and capacity.
Vodafone 3G USB modem. Vodafone Mobile Connect USB Modem branded as Vodem is a product of Vodafone that connects to the broadband internet. It is connected to the computer via USB which makes the product usable to virtually any computer, desktop or laptop. Huawei E220, K3806 and K3772H Vodem sticks are manufactured by Huawei for Vodafone.
Modem class 3G 3G+/4G 4G LTE LTE.5G; Peak data rate (Mbit/s) 3.6 14.4 28.8 42 84 100 150 Modems MDM6270 MDM6200 MDM6600 MDM8200A MDM8215 MDM8220 MDM8225 MDM9200 MDM9215 MDM9600 MDM9615 MDM9225 MDM9625
It is considered to be a "transitional" 4G technology, [1] and is therefore also referred to as 3.95G as a step above 3G. [2] LTE is based on the 2G GSM/EDGE and 3G UMTS/HSPA standards. It improves on those standards' capacity and speed by using a different radio interface and core network improvements.
The following is a list of mobile telecommunications networks using third-generation Universal Mobile Telecommunications System (UMTS) technology. This list does not aim to cover all networks, but instead focuses on networks deployed on frequencies other than 2100 MHz which is commonly deployed around the globe and on Multiband deployments.
What standard the modem supports and at what rates depends on the chip being used. Below is a list of Gobi-enabled modem chipsets released by Qualcomm and their features: MDM1000: [4] Multi-mode modem; EV-DO Rev. A support (CDMA) 800, 1900 MHz; HSPA support with full backward compatibility with GSM, GPRS and EDGE. 850, 1900, 2100 MHz for HSPA