---
title: "NORVI GSM-AE04-V-L – DATASHEET"
description: "## **Product Features** ![](https://norvi.io/wp-content/uploads/2024/09/NORVI-GSM-AE04-V-L_Summary-Image-1024x856-1.jpg) - ESP32-WROOM32 Module - LTE Connection - Built-in 0.96 OLED Display - microSD Card Support - DS3231 RTC with Battery Backup - Built-in Button on front panel - Digital Inputs - Transistor Outputs - Analog Inputs…"
url: "https://norvi.io/docs/norvi-gsm-ae04-v-l-datasheet/"
updated: "2026-04-01"
category: "NORVI GSM / NORVI GSM 4G LTE / NORVI GSM-AE04-V-L"
---

# NORVI GSM-AE04-V-L – DATASHEET

## **Product Features**

![](https://norvi.io/wp-content/uploads/2024/09/NORVI-GSM-AE04-V-L_Summary-Image-1024x856-1.jpg)

- ESP32-WROOM32 Module
- LTE Connection
- Built-in 0.96 OLED Display
- microSD Card Support
- DS3231 RTC with Battery Backup
- Built-in Button on front panel
- Digital Inputs
- Transistor Outputs
- Analog Inputs
- DIN-Rail mount

**Cellular Communication** **LTE1**

- Module - QUECTEL EC25
- Brand Name - QUECTEL
- FCC ID 2AQ9M-SIM7500
- TAC - 86675804

**Cellular Communication** **LTE**2

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

**Expansions Supported**

- Analog Input
- Digital Input
- Transistor Output
- Relay Output
- Analog Output

## **Main**

| Range of Product | NORVI GSM |
| --- | --- |
| Product type | Programmable Controller |
| Certifications | EN 61131-2:2007 EN 61010-1:2010+A1:2019 EN IEC 61010-2-201:2018 2014/30/EU- Electromagnetic Compability (EMC)  Annex III, Part B, Module C |
| Rated supply voltage | 24V DC |
| Communication | WiFI / Bluetooth LTE / EDGE - Quectel EC25 LTE2 / EDGE - SIMCOM SIM7500 RS-485 |
| Inputs and Outputs | 6 x Digital Inputs 6 x Analog Inputs with 0-10V 2 x Transistor Outputs |
| Displays and Visual Indicators | 0.96 OLED Display and Indicators |

## **Complementary**

| Product Unified Code | NORVI GSM-AE04-V-L |
| --- | --- |
| Product Part Numbers  | NORVI GSM-AE04-V-L |

## **Mechanical Properties**

| Enclosure | NORVI 204  |
| --- | --- |
| Mounting / Installation Method | DIN RAIL / MOUNTING TABS |
| Terminal Type | SCREW TERMINAL |
| Terminal Arrangement | Top and Bottom |
| Length | 90.50 mm |
| Height | 56.60 mm |
| Width | 60.60 mm |

![](https://norvi.io/wp-content/uploads/2024/09/unnamed-92.png)

## **Environment**

| IP degree of protection  | IP20 |
| --- | --- |
| Operating altitude  | 0 - 2000 meters |
| Operating Temperature  | - –10 … +85° C (14...185 °F) |
| 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)  V/m (2 MHz ...... 3 GHz) |

## **Electrical Characteristics **

### ***Grid Powered Devices ***

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

## **Processing**

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

## **Indicator Layout**

![](https://norvi.io/wp-content/uploads/2024/09/AE04-LTE-VI-INDICATORS-1024x773-2.jpg)

## **Peripherals**

### **microSD Card support**

| Card Type | microSD |
| --- | --- |
| Interface | SPI |
| SD CARD CS | GPIO15 |
| MISO | GPIO19 |
| MOSI | GPIO23 |
| SCLK | GPIO18 |
| SD Detect | NOT CONNECTED |

### **Internal RTC**

| RTC Chip | DS3231 |
| --- | --- |
| Backup Battery Type | CR2032 |
| Interface | I2C |
| I2C Address | 0x68  |
| SCL Pin | GPIO17 |
| SDA Pin | GPIO16 |

### **Built-in Buttons**

| Button 1 Pin | GPIO36 Analog Input Level 1 |
| --- | --- |
| Button 2 Pin | GPIO36 Analog Input Level 2 |
| Button 3 Pin | GPIO36 Analog Input Level 3 |

### **OLED Display**

| Display Driver | SSD1306 |
| --- | --- |
| Display Size | 0.96 inch |
| SCL Pin | GPIO17 |
| SDA Pin | GPIO16 |
| RESET Pin | NOT CONNECTED |

## **INPUTS and OUTPUTS**

### **Digital Inputs**

| Number of Digital Inputs | 6 |
| --- | --- |
| Digital Input Polarity | Sink and Source |
| Digital Input Maximum Voltage | 32V DC  |
| Digital Input Minimum Voltage | 18V DC  |
| Maximum Switching Frequency | 1 kHZ |
| Terminal Arrangement | Digital Input 0 - GPIO27 Digital Input 1 - GPIO34 Digital Input 2 - GPIO35 Digital Input 3 - GPIO14 Digital Input 4 - GPIO13 Digital Input 5 - GPIO5 ![](https://norvi.io/wp-content/uploads/2024/09/unnamed-13.jpg) |

### **Analog Inputs**

| Number of Analog Inputs | 6 |
| --- | --- |
| Analog Input Measurement Range | 0-10V |
| Analog Input Maximum Voltage | 38V DC |
| Analog to Digital Converter (ADC) | ADS1115 |
| Analog to Digital Converter (ADC) Communication | I2C |
| Analog to Digital Converter (ADC) Address | 0x48,0x49 |
| Terminal Arrangement | A0: Analog Input 0 - ADS1115 - 0x48 - AIN0  A1: Analog Input 1 - ADS1115 - 0x48 - AIN1 A2: Analog Input 2 - ADS1115 - 0x48 - AIN2 A3: Analog Input 3 - ADS1115 - 0x48 - AIN3 A4: Analog Input 4 - ADS1115 - 0x49 - AIN0 A5: Analog Input 5 - ADS1115 - 0x49 - AIN1 ![](https://norvi.io/wp-content/uploads/2024/09/unnamed-1-37.png) |

### **Transistor Outputs**

| Number of Transistor Outputs | 2 |
| --- | --- |
| Transistor Output Type | OPEN COLLECTOR |
| Maximum Sink/Source Current (mA) | 100mA |
| Maximum Applicable Voltage | 36V DC |
| Maximum Switching Frequency | 1 kHz |
| Terminal Arrangement | T0 - Transistor Output 0 - GPIO12 T1 - Transistor Output 1 - GPIO2 ![](https://norvi.io/wp-content/uploads/2024/09/unnamed-2-22.png) |

## **Communication Channels**

### **RS-485 Communication**

| Communication Mode | HALF-DUPLEX |
| --- | --- |
| Transceiver | MAX485 |
| Unit Load  | 1/4 |
| Flow Control / Direction Control Pin | GPIO22 |
| TX Pin | GPIO26 |
| RX Pin | GPIO25 |
| Terminal Arrangement | ![](https://norvi.io/wp-content/uploads/2024/09/unnamed-3-18.png) |

## **LTE Communication**

| Model of GSM Modem | QUECTEL EC25 |
| --- | --- |
| FCC ID | XMR202008EC25AFXD |
| TAC | 86675804 |
| RXD  | GPIO33  |
| TXD | GPIO32 |
| RESET  | GPIO21 |

| Model of GSM  Modem | SIM7500 |
| --- | --- |
| FCC ID | 2AQ9M-SIM7500 |
| TAC | 86147503 |
| RXD  | GPIO33 |
| TXD | GPIO32 |
| RESET  | GPIO21 |

## **GPIO Map**

| **GPIO** | **Description** | **Usage** |
| --- | --- | --- |
| 0 | outputs PWM signal at boot | NRST |
| 1 | debug output at boot | TX0 |
| 2 | connected to on-board LED | Transistor Output 1 |
| 3 | HIGH at boot | RX0 |
| 5 | input only | Digital Input 5 |
| 12 | connected to on-board LED | Transistor Output 0 |
| 13 | input only | Digital Input 4 |
| 14 | input only | Digital Input 3 |
| 15 |  | SD CARD CS |
| 16 |  | SDA |
| 17 |  | SCL |
| 18 |  | SCLK |
| 19 |  | MISO |
| 20 |  |  |
| 21 |  | GSM RESET |
| 22 |  | RS485-Flow Control |
| 23 |  | MOSI |
| 25 |  | RS485-RX |
| 26 |  | RS485-TX |
| 27 | input only | Digital Input 0 |
| 32 |  | GSM TX |
| 33 |  | GSM RX |
| 34 | input only | Digital Input 1 |
| 35 | input only | Digital Input 2 |
| 36 | input only | Buttons |
| 39 |  |  |

## **Expansion Port**

![](https://norvi.io/wp-content/uploads/2024/09/unnamed-4-9.png)

| **PIN** | **ESP32 Connection** |
| --- | --- |
| 1 | NOT CONNECTED |
| 2 | NOT CONNECTED |
| 3 | 5V |
| 4 | NOT CONNECTED |
| 5 | BOOT GPIO0 |
| 6 | NOT CONNECTED |
| 7 | 3.3V |
| 8 | SCL2    GPIO17 |
| 9 | GND |
| 10 | SDA2   GPIO16 |