ROCK 4 features maker friendly expansion options, including a 40-pin GPIO interface that allow for interfacing with a range inputs from buttons, switches, sensors, LEDs, and much more.

ROCK 4 also features a Gbit LAN for network, with dedicated bus and controller, it works without latency under heavy load network applications. On board 802.11 ac wifi offers 2.4G & 5G WLAN connectivity. With Bluetooh 5.0, ROCK 4 benefits improved Bluetooth speed and greater range.

ROCK 4 also features one USB 3.0 host and one USB 3.0 OTG ports, each 5Gbps/s, working independently. The USB 3.0 OTG can work as USB device such as Android ADB or USB gadgets. A hardware switch is provided for OTG mode switch.

*** These were bathing in dielectric fluids.

*** These are Rock Pi version 4B+.

*** All come with SD cards.

*** PSUs included

*** There may be some residual fluid upon delivery, but I will do my best to clear it up.

*** No separating, take all.

*** Includes 7ea cat5 cables

*** Includes antennas for WiFi