Metal case with double fan for raspberry PI 4 - Golden colour (95) Electronic Modules as well as the SIMCom

as well as the SIMCom SIM800L GPRS module

The output scan code can refer to the back of the content

Black wire: signal

check out : FIW 6F22 9V Battery with Connector

the DB9 interface is still widely used by many vintage devices for serial communication

Metal case with double fan for raspberry PI 4 - Golden colour (95) Electronic Modules as well as the SIMComRaspberry Pi Aluminium Case with Double Fans This gold aluminium case is a perfect fit for Raspberry Pi 4B Model. The aluminium casing is made with the help of CNC machining technology that provides a protective shell to the product. The dual fan of the casing is designed for low energy consumption that provides a dual cooling experience and no overheating problems. The casing keeps the Pi safe from radiation and rusting. The open design of the casing