Hangzhou Tuya Inc.
NM1 Module Hardware Design Manual
https://www.tuya.com
Page 7 of 29
2 Product Overview
NM1 is a compact, high-performance, and low-power NB-IoT series module. It has the following features:
Supports the B1, B3,B5,B8, B20 frequency bands.
Provides the SIM card interface (1.8 V), USB 1.1 interface, UART interface, SPI, I
2
C interface, and GPIO
interface.
Figure 2- 1 Product appearance
2.1 Package Dimensions
The NM1 module has 66 pins. Its dimensions is 17.7 2.4 mm (H) x 17.7 mm (W) x 15.8 mm (D).
Figure 2- 2 Package dimensions diagram (unit: mm)