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DG-HR1020S User Manual
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5. Glossary
• 3G — Third Generation. 3G refers to the third generation of mobile telephony
technology.
• 4G LTE — Fourth Generation. 4G LTE refers to the fourth generation of mobile
Telephony technology.
• 802.11 (b, g, n) — A set of WLAN communication standards in the 2.4 frequency
Bands.
• bps — Bits per second. The rate of data flow.
• Broadband — High-capacity high-speed transmission channel with a wider
bandwidth than conventional modem lines. Broadband channels can carry video,
voice and data simultaneously.
• CDMA — Code Division Multiple Access. It is the underlying channel access
method used by some mobile phone standards.
• DHCP — Dynamic Host Configuration Protocol. Software found in servers and
routers that automatically assigns temporary IP addresses to clients logging into
an IP network.
• DHCP Server — A server or service with a server that assigns IP addresses.
• DNS — Domain Name System. A system for converting host names and domain
names into IP addresses on the Internet or on local networks that use the TCP/IP
Protocol.
• Firmware — A computer program embedded in an electronic device. Firmware
usually contains operating code for the device.
• Hotspot — A Wi-Fi (802.11) access point or the area covered by an access point.
Used for connecting to the Internet.
• HTTP — Hypertext Transfer Protocol. An application-level protocol for accessing
the World Wide Web over the Internet.