---
title: "EC-M11-EG-C3-LTE – DATASHEET"
description: "## **Product Features** ![](https://norvi.io/wp-content/uploads/2024/09/EC-M11-EG-C3-LTE_-Summary-Image-1-1024x789-1.jpg) - ESP32-WROOM32 Module - LTE Connections - Load Cell Input **Cellular Communication LTE1** - Module - SIM7000 - Brand Name - SIMCom - FCC ID - 2AJYU-SIM7000 - TAC - 86615402 **Cellular Communication LTE2** - Module…"
url: "https://norvi.io/docs/norvi-ec-m11-eg-c3-lte-datasheet/"
updated: "2026-03-23"
category: "OTHER PRODUCTS / EC-M11-EG 4G LTE / EC-M11-EG-C3-LTE"
---

# EC-M11-EG-C3-LTE – DATASHEET

## **Product Features**

![](https://norvi.io/wp-content/uploads/2024/09/EC-M11-EG-C3-LTE_-Summary-Image-1-1024x789-1.jpg)

- ESP32-WROOM32 Module
- LTE Connections
- Load Cell Input

**Cellular Communication LTE1**

- Module - SIM7000
- Brand Name - SIMCom
- FCC ID - 2AJYU-SIM7000
- TAC - 86615402

**Cellular Communication LTE2**

- Module - SIM7500
- Brand Name - SIMCom
- FCC ID - 2AQ9M-SIM7500
- TAC - 86147503

![](https://norvi.io/wp-content/uploads/2024/09/DSC_5691-782x1024-9.png)

## **Main**

| Range of Product | NORVI EC M11 |
| --- | --- |
| Product Type | Programmable Node |
| Certifications | EN 61131-2:2007 EN 61010-1:2010+A1:2019 EN IEC 61010-2-201:2018 2014/30/EU- Electromagnetic Compatibility (EMC) Annex III, Part B, Module C  |
| Rated supply voltage | 24V DC |
| Communication | WiFI / Bluetooth LTE1 / EDGE - SIMCOM SIM7000 LTE2 / EDGE - SIMCOM SIM7500 RS 485 |
| Inputs and Outputs | 1 x Load Cell Input |
| Displays and Visual Indicators | Green and Red LED |

## **Complementary**

| Product Unified Code | NORVI EC-M11-EG-C3-LTE |
| --- | --- |
| Product Part Numbers  | NORVI EC-M11-EG-C3-LTE |

## **Mechanical Properties**

| Enclosure | WP8-10-4G |
| --- | --- |
| Mounting / Installation Method | Wall mount Electrical Pole mount - accessory required |
| Terminal Type | 8-position Molding Cable / AWG24 / Length 2 meters |
| Terminal Arrangement | Color-Coded Tinned Wires |
| Depth | 35 mm |
| Height | 100 mm |
| Width | 75 mm |

![](https://norvi.io/wp-content/uploads/2024/09/unnamed-32.png)

## **Environment**

| IP degree of protection  | IP20 |
| --- | --- |
| Operating altitude  | 0 - 2000 meters |
| Operating Temperature  | - –10 … +85° C |
| Storage altitude  | 0 - 3000 meters |
| Shock resistance  | 15 gn for 11ms |
| Resistance to electrostatic discharge  | 4kV on contact 8kV on air |
| Resistance to electromagnetic fields  | 10 V/m (80 MHz ...... 1GHz)  3 V/m (1.4 MHz ...... 2 GHz)  1 V/m (2 MHz ...... 3 GHz) |

## **Electrical Characteristics**

### *Grid-powered devices*

| Rated Supply Voltage (V) |   24V DC |
| --- | --- |
| Current Consumption (mA) |   400mA |
| Recommended Power Source |   1W 24V DC |

## **Processing**

| SOC / MCU | ESP32-WROOM32 |
| --- | --- |
| Flash Memory | 4MB |
| ROM | 448 KB |
| SRAM | 520 KB |
| PSRAM | NOT AVAILABLE |

## **INPUTS and OUTPUTS**

### **Load Cell Input**

| Number of Load Cell Inputs | 1 |
| --- | --- |
| Module Type | HX711 |
| PD SCK | GPIO32 |
| DOUT | GPIO33 |

## **8-pin Connector and wire harness**

![](https://norvi.io/wp-content/uploads/2024/09/345-19.jpg)

### **Pin Description**

| **8P Male** | **Wire colour** | **I/O Configuration** |
| --- | --- | --- |
| 1 | White | A+ |
| 2 | Brown | A- |
| 3 | Green | B+ |
| 4 | Yellow | B- |
| 5 | Gray | RS-485A |
| 6 | Pink | RS-485B |
| 7 | Blue | Power+ |
| 8 | Red | Power- |

## **Communication Channels**

### **RS-485 Communication**

| Communication Mode | HALF-DUPLEX |
| --- | --- |
| Transceiver | MAX485 |
| Unit Load | 1/4 |
| Flow Control / Direction Control Pin | GPIO13 |
| TX Pin | GPIO2 |
| RX Pin | GPIO4 |

### **LTE1 Communication**

| Model of LTE Modem | SIM7000-E |
| --- | --- |
| FCC ID | 2AJYU-SIM7000 |
| TAC | 86615402 |
| RXD  | GPIO25 |
| TXD | GPIO26 |
| RESET | GPIO32 |
| POWER | GPIO22 |

### **LTE2 Communication**

| Model of LTE Modem | SIM7500 |
| --- | --- |
| FCC ID | 2AQ9M-SIM7500 |
| TAC | 86147503 |
| RXD  | GPIO25 |
| TXD | GPIO26 |
| RESET | GPIO17 |
| POWER | GPIO22 |

## **GPIO Map**

| **GPIO** | **Description** | **Usage** |
| --- | --- | --- |
| 0 | outputs PWM signal at boot | NRST |
| 1 | USB to UART | TX0 |
| 2 | RS-485 | TX1 |
| 3 | USB to UART | RX0 |
| 4 | RS-485 | RX3 |
| 5 | outputs PWM signal at boot |  |
| 12 | boot fails if pulled high |  |
| 13 | RS-485 | Flow Control |
| 14 | outputs PWM signal at boot |  |
| 15 | outputs PWM signal at boot |  |
| 16 |  |  |
| 17 | LTE Modem  |   RESET |
| 22 | LTE Modem  | Power |
| 23 |  |  |
| 25 | LTE Modem  | RX |
| 26 | LTE Modem  | TX  |
| 32 | Load Cell Input | PD SCK |
| 33 | Load Cell Input  | DOUT |
| 35 |  |  |