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NB IoT technology

NB-IoT (NarrowBand IoT)

The NB IoT radio standard is an enhancement of the LTE mobile wireless standard that was specifically developed for IoT communication structures. Unlike conventional mobile communication applications, NB IoT focuses on security, high connection density, indoor coverage, low power consumption and low costs rather than high transmission rates. Wireless technology with these attributes is known as Low Power Wide Area (LPWA) technology. Other LPWA technologies designed for wireless communication in IoT networks besides NB IoT are LoRa and Sigfox. These networks are designed to transmit data in difficult environments (inside buildings or basements) or across long distances, and are therefore ideal for smart building, smart city, smart metering and smart health applications.

NB IoT is also known as LTE CAT-NB1, which was defined by the 3rd Generation Partnership Project (3GPP) standards organisation.

LTE CAT-M1

LTE CAT-M1 is also an LPWA technology that was designed to a greater extent for mobile use. Like LTE, both NB IoT and LTE Cat-M1 use globally licensed frequency bands.

Generation

Technology

Data rate

Frequency

2G

GSM

9,6 KBit/s /
Bandbreite 180 kHz

890 to 915 MHz

2.5G

GPRS

54 KBit/s

935 to 960 MHz

2.75G

EDGE

220 KBit/s

1710 to 1785 MHz

3G

UMTS

384 KBit/s

1805 to 1880 MHz

3.5 HSPA

7,2 KBit/s

HSPA+

42 KBit/s

3.9G

LTE (bis CAT 4)

150 KBit/s

4G

LTE Advanced (LTE-A , CAT 6 and above)

300 KBit/s

4.5G

LTE Advanced Pro (LTE-AP, CAT 11 and above)

600 KBit/s

NB-IoT

LTE CAT NB1

250 KBit/s /
Bandwidth 180kHz

5G

5G NR

Up to 1 GBit/s

5GHz

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