Really worthable amazing
The build quality is good, and the connection is reliable. In short, if you need a breakout board, this is a great option.
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The A7670 series is the LTE Cat 1 module that supports wireless communication modes of LTE-TDD/LTE-FDD/GSM/GPRS/EDGE. It supports a maximum 10Mbps downlink rate and a 5Mbps uplink rate.
The A7670 series adopts an LGA form factor and is compatible with SIM7000/SIM7070 series(NB/Cat Modules), and SIM800A/SIM800F(2G modules), which enables smooth migration from 2G/NB/Cat M products to LTE Cat 1 products, and greatly facilitates more compatible product design for the customer needs.
The A7670 series supports multiple built-in network protocols, supports drivers for main operation systems(USB driver for Windows, Linux, and Android, etc.), and software function, AT commands are compatible with SIM7500/SIM7600 series modules.
Meanwhile, the A7670series integrates main industrial standard interfaces, with powerful expansibility, including abundant interfaces such as UART, USB, I2C, and GPIO, which is suitable for main IOT applications such as telematics, surveillance devices, POS, industrial routers, and remote diagnostics etc.
Supply Voltage |
3.4 to 4.2 V |
Power Consumption |
2-3 Amp |
Frequency band |
GSM 900/1800 MHz |
Data Transfer |
LTE (Mbps) 10 Downlink, 5 Uplink |
GPRS (kbps) |
236.8 Downlink, 236.8 Uplink |
Protocol |
TCP/IP/IPV4/IPV6/Multi PDP/FTP/FTDS/HTTP/DNS |
SIM card supports |
1.8 ~ 3.0V |
For more details, please check our Shipping and Return Policy
The 4G GSM Breakout Board is a wireless communication module that supports GSM/GPRS modes and has a maximum downlink rate of 10Mbps and uplink rate of 5Mbps. It is a Cat 1 module that supports LTE-TDD/LTE-FDD/GSM/GPRS/EDGE modes.
This series supports multiple built-in network protocols, including drivers for main operation systems (USB driver for Windows, Linux, Android, etc.).
It supports software functions and AT commands that are compatible with SIM7500/SIM7600 series modules.
It integrates main industrial standard interfaces, including UART, USB, I2C, and GPIO.
The power supply voltage range for the 4G Board is 3.4V to 4.2V (recommended VBAT: 3.8V).
The build quality is good, and the connection is reliable. In short, if you need a breakout board, this is a great option.
Excellent for interacting with MCUs. Works exactly as expected. No issues so far.
The breakout board performs exceptionally well. It supports both GSM and 4G connectivity, which is fantastic. I love this product.
I'm extremely happy with my purchase. It offers top-notch quality and is a must-have for any wireless communication project.
I used the breakout board in my home security setup to get text messages right away if something goes wrong, like a break-in. It helps me feel safe even when I'm not home.
Hello, Please contact our customer care or raise a ticket on support@robocraze.com for queries.
A7670C GSM 4G Breakout Board requires a supply voltage of between 3.4 to 4.3 Volts.