The PPC-A72-173-C has several expansion connectors on the backside – 4 USB 2.0 connectors, 1 USB 3.0 connector, 1 Type-C connector, 1 LAN connector, 7 channels of RS232, and RS485 connectors. It also features a 3.5mm audio connector and a TF card slot.
The WiFi/Bluetooth module is based on the Realtek RTL8723BU an 802.11bgn 2.4G single-chip that integrates Wireless LAN (WLAN) and a network USB interface (USB 1.0/1.1/2.0 compatible) controller with an integrated Bluetooth 2.1/3.0/4.0 controller. It combines a WLAN MAC, a 1T1R capable WLAN baseband, and WLAN RF in a single chip.
The RS485 and RS232 connectors are DB9 connector (as you can see from the image).
The speed of the RS232 and the RS485 port is up to 115200 Baud.
The PPC-A72-173-C has one channel 1Gb Ethernet port and one TF (uSD) card connector. This device supports a TF card up to 32GB.
When it comes to audio capabilities, the PPC-A72-173-C has one 3.5mm Output/input connector and a 2W internal speaker.
The typical power consumption is 15W.