# UDN2981A (Component) ## Description Quad-Band LTE Cat-M1 / NB-IoT Cellular Module with GNSS – Ultra-low-power cellular communication module designed for IoT devices, smart meters, asset tracking, industrial automation, telematics, smart cities, environmental monitoring, and embedded wireless applications. The SIMCom SIM7070G supports LTE Cat-M1, NB-IoT (Cat-NB2), and 2G GSM/GPRS fallback, providing global connectivity for low-power wide-area (LPWA) applications. It integrates multi-constellation GNSS support, including GPS, GLONASS, BeiDou, Galileo, and QZSS, enabling accurate positioning and tracking. Operates from a 3.4 V to 4.2 V supply, supports UART, USB 2.0, I²C, GPIO, ADC, PWM, and SIM interfaces, and offers low power consumption with PSM and eDRX modes for extended battery life. Packaged in a compact LCC + LGA module (24 × 24 mm), it is specified for −40°C to +85°C operation, making it ideal for rugged industrial and embedded IoT deployments. #SIMCom #SIM7070G #LTECatM1 #NBIoT #GNSS #CellularModule #IoT #AssetTracking #Telematics #IndustrialAutomation #EmbeddedWireless #EmbeddedSystems ## Component Details - **Owner:** silicon-yard - **Created:** 8/7/2026 - **Last Updated:** 8/7/2026 - **Visibility:** Public - **Symbol Style:** parametric-v1 - **Package or Case Code:** PDIP - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/935e911dd6ef9d3703e5ab79782e4523167a8e0f99891fafee323a9dd370de24.pdf - **Part Type:** Transistors - **Manufacturer Name:** Allegro Microsystems - **Manufacturer Part Number:** UDN2981A - **Part Type:** Transistors - **Sub-Type:** Other - **MPN:** UDN2981A - **Mount Type:** Wire - **Package / Case Code:** Module - **Pin Count:** 18 ## Pins | Pin | Name | Type | |-----|------|------| | 9 | VS | | | 1 | IN1 | | | 2 | IN2 | | | 3 | IN3 | | | 4 | IN4 | | | 5 | IN5 | | | 6 | IN6 | | | 7 | IN7 | | | 8 | IN8 | | | 10 | GND_1 | | | 11 | GND_2 | | | 12 | GND_3 | | | 13 | GND_4 | | | 14 | GND_5 | | | 15 | GND_6 | | | 16 | GND_7 | | | 17 | GND_8 | | | 18 | GND_9 | | --- *Generated from [https://www.flux.ai/silicon-yard/udn2981a](https://www.flux.ai/silicon-yard/udn2981a)*