> For the complete documentation index, see [llms.txt](https://docs.eseye.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.eseye.com/anynet-sim/how-anynet-sims-work/iot-wireless-technologies.md).

# IoT Wireless Technologies

This topic describes the wireless technologies designed for use with IoT devices:

* LTE-M
* NB-IoT

For more information about selecting the best wireless technology for your IoT device, see the LoRa or Cellular for IoT blog post.

## LTE-M / LTE Cat-M

LTE-M is an IoT-specific radio access technology that utilises existing LTE infrastructure to support IoT devices and their specific use cases, including:

* Low power consumption – supporting [eDRX and PSM](https://app.gitbook.com/s/R60wMwGxVlr3J15eCIGp/nutaq-picolte/configuring-nutaq-picolte-for-gsm-power-saving-mode) power-saving features
* Long range – up to 10-15km
* Low data rates – maximum of 1Mbps (for CAT-M1 devices)

Although LTE-M doesn’t provide the same battery life length as NB-IoT, it offers a higher bandwidth which can support higher data rates.

For more information about connecting your module to an LTE-M network, see:

* [How to connect a Quectel BG95 module to a cellular network using an Eseye SIM](/modules/quectel/how-to-connect-a-quectel-bg95-module-to-a-cellular-network-using-an-eseye-sim.md)
* [How to connect a Quectel module to a cellular network using an Eseye SIM](/modules/quectel/readme.md)
* [How to connect a Nordic nRF9160 modem to a cellular network using an Eseye SIM](/modules/nordic-nrf9160-modem/how-to-connect-a-nordic-nrf9160-modem-to-a-cellular-network-using-an-eseye-sim.md)

## NB-IoT

Narrowband Internet of Things (NB-IoT) is a radio access technology that utilises narrow frequency ranges (180kHz) in existing LTE radio bands to provide features and services that are optimised for IoT devices. This includes:

* Lower power requirements (utilising [eDRX and PSM](https://app.gitbook.com/s/R60wMwGxVlr3J15eCIGp/nutaq-picolte/configuring-nutaq-picolte-for-gsm-power-saving-mode) power-saving features)
* Lower data rates

For more information, see [3GPP Release 13 specifications](https://www.3gpp.org/specifications-technologies/releases/release-13).


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