AED 319.95
Low stock
1
Description
The A7670G is an integrated wireless communication module supporting 4G CAT1 with uplink speeds of 5Mbps and downlink speeds of 10Mbps. It is compatible with multiple bands (LTE-FDD, LTE-TDD, GSM) for global use and is designed to work with Raspberry Pi, Arduino, and LattePanda single-board computers. The module supports various network protocols, is controlled via AT commands, and includes UART and USB interfaces for flexible connectivity. Additionally, it has a built-in microphone and audio power amplifier for voice calls and SMS functionality.
Features
- AT Command Control: Simplifies usage by eliminating the need for understanding complex network protocols.
- Multi-Band Support: Compatible with LTE-FDD, LTE-TDD, and GSM bands.
- SMS Functionality: Supports MT, MO, CB, Text, and PDU modes.
- Network Protocols: Supports TCP/IP, IPV4, Multi-PDP, FTP, FTPS, HTTP, HTTPS, DNS, and more.
- Comprehensive Communication Capabilities: Enables data transmission, voice calls, and SMS.
- USB Network Card: Can function as a 4G network card for single-board computers.
Specifications
| Specification | Details |
| Power Input | Terminal Connector: 5-12V |
| USB Input | Type-C: 5V |
| Voltage Levels | 3.3V-5V |
| Physical Interface | PH2.0-4P Gravity sequence standard |
| Audio Output Interface | Type: PH2.0-2P |
| Frequency Band | LTE-TDD: B38/B39/B40/B41 |
|
LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28/B66
|
|
| GSM: 850/900/1800/1900MHz | |
| 4G Communication Rate | CAT1: Uplink speed 5Mbps, Downlink speed 10Mbps |
| 4G Antennas | MAIN Antenna: IPEX male connector ×1 |
| Voice Microphone | ×1 |
| SIM Card Slot | Type: Push-lock |
| LED Indicators | Power Status: Red Network Status: Blue |
| Operating Temperature | -40°C ~ 85°C |
| Product Dimensions | 60mm × 52mm |
Pinout:
| Interface Name | Description |
|---|---|
| ANT | The 4G signal antenna interface, connects to GSM antenna |
| UART | UART interface (interface voltage level 3.3V-5V) |
| USB-Type C | USB device interface, used for communication and parameter configuration with a computer |
| Power IN | External power supply required when using the UART interface (5V-12V) |
| Audio OUT | External 8Ω 1.0W speaker |
| SIM Card | Insert a SIM card |
Important Notes:
1. When using the PH2.0 socket for module communication, an external power supply of 5V-12V is required.
2.Net - Network signal indicator:
- Steady blue light: Searching for a network.
- Rapid blue flashes (once every 1 second): Network registration completed
Common AT Commands:
| Command | Significance | Return Value |
|---|---|---|
| AT | AT test command | OK |
| ATE | ATE1 sets echo, ATE0 disables echo | OK |
| AT+CGMI | Query module manufacturer | OK |
| AT+CGMM | Query module model | OK |
| AT+CGSN | Query product serial number | OK |
| AT+CSUB | Query module version and chip | OK |
| AT+CGMR | Query firmware version number | OK |
| AT+IPR=9600 | Set the module's temporary hardware serial port baud rate to 9600 | +IPR: OK |
| AT+IPR? | Query the current hardware serial port baud rate | +IPR: Baud Rate |
| AT+CRESET | Reset the module (the module will restart and automatically register on the network) | OK |
| AT+CSQ | Query network signal quality, returns signal value | +CSQ: 14,99 OK |
| AT+CPIN? | Query SIM card status, returns READY if the SIM card is recognized | +CPIN: READY |
| AT+COPS? | Query the current operator, will return operator information after normal connection | +COPS: OK |
| AT+CREG? | Query network registration status | +CREG: OK |
Note: This AT command is case-insensitive
Querying Result Codes and Their Meanings
| Detailed Result Code | Meaning |
|---|---|
| OK | Command executed successfully with no errors |
| CONNECT | Connection successful |
| RING | Ring detected (incoming call received) |
| NO CARRIER | No established connection or connection disconnected |
| ERROR | Invalid command or command failed |
| NO DIALTONE | No dial tone, unable to dial, incorrect mode |
| BUSY | Currently in a call or server is busy |
| NO ANSWER | Connection timed out |
Applications
- IoT Data Transmission and Remote Control: Ideal for various IoT applications requiring reliable data communication.
- Mobile Device Monitoring: Useful for keeping track of mobile devices.
- Logistics and Transportation: Enhances tracking and communication in transportation sectors.
- Warehousing and Theft Prevention: Aids in monitoring and preventing theft in storage facilities.
- Surveillance and Positioning: Suitable for surveillance systems and positioning applications.
Documents:
Package Includes:
- CAT1: A7670G 4G Communication Module x1
- 4G antenna: x1
- Triple-cut universal SIM card adapter x1
- Gravity PH2.0-4P Communication Connection Cable ×1