Raspberry Pi CM4 powered gateway with two M.2 B-key slots starts at $333






OnLogic has opened pre-orders for a $333+ “Factor 201” industrial gateway based on the Raspberry Pi CM4 with 2x M.2 B-key, 4x USB, HDMI, COM and 2x GbE with optional PoE-PD. An upcoming “Factor 202” will add analog and digital I/O.

A year ago on Pi Day, OnLogic teased a One Tough Pi industrial gateway based on the Raspberry Pi Compute Module 4. A Pi Day later, the company opened pre-orders on the system, now called the Factor 201 , with shipments due “in the coming weeks.” The Vermont-based company also revealed full specs for a Factor 202 model that will launch later this year with DIO and ADC functionality.



Factor 201 (left) and on DIN rail
(Click on images to enlarge)

The Raspberry Pi CM4 runs Linux on the same Broadcom BCM2711 SoC with 4 1.5GHz Cortex-A72 cores used by the Raspberry Pi 4. The CM4 comes with 2GB to 8GB of LPDDR4-3200 RAM and 0GB to 32 GB eMMC and optional 802.11ac/BT 5.1. All of these capabilities, plus WiFi/BT radio, are available as an option on the Factor 201 and 202.

The Factor 201 starts at $333 with 2GB of RAM and 8GB eMMC plus a 64GB M.2 B-key SATA attached SSD. You pay $10 more for preloaded 32-bit Linux distros, with a choice of Raspberry Po OS in Desktop or Lite versions or Ubuntu 20.04.1 LTS in Desktop or Server versions.



Factor 202, showing a 2.7-inch touchscreen
(Click on the image to enlarge)

The 129 x 102.5 x 38mm Factor 201, which follows other Raspberry Pi CM4-based embedded systems such as CompuLab’s IOT-GATE-RPi, comes with 2 GbE ports via Realtek RTL8153. One of the ports comes with optional PoE PD support, allowing you to power the system over Ethernet. However, as with the optional TPM 2.0 chip, PoE PD is not listed on the purchase setup page.

The main ports include USB 3.2 Gen1 (a fancy way of saying USB 3.0) plus 2x USB 2.0 and a USB OTG Type-C management port, which is used to configure the RPi CM4. You also have an HDMI port and a terminal block interface for RS-232/422/485.



Factor 201 side views
(Click on images to enlarge)

OnLogic managed to squeeze out two M.2 B-key slots from the CM4’s single PCIe Gen2 x1 interface, suggesting that there may be performance handicaps when using both at once. The M.2 2280 port is used for optional SSDs up to 2TB SATA. The M.2 B-key 3042/3052 (USB 3.0, USB 2.0) slot supports an optional 4G LTE module, which does not appear as a purchase option. The system comes with 3 antenna holes.

The Factor 201 has a 12-24VDC terminal block input, reset button, 5 LEDs and optional power adapters. Other options listed include optional wall and DIN rail mounting kits and a port blocking kit.

The aluminum and plastic constructed system incorporates OnLogic’s Hardshell Fanless passive cooling technology. There is an operating range of -20 to 60°C with a humidity tolerance of 10 to 95%, non-condensing. Several EMC and safety compliances are listed.

Factor 202

The upcoming Factor 202 is larger than the Factor 201, with a footprint of 200 x 121 x 57.4mm. The additional space provides space for the additional lower compartment for terminal block interfaces for the system’s additional 16x digital inputs, 16x digital outputs, 4x analog inputs and 2x analog outputs.



Factor 202 side views
(Click on images to enlarge)

There’s also a 2.7-inch capacitive touchscreen on the side of the system. Otherwise, the device appears to be identical to the Factor 201.

More information

The Factor 201 starts at $333 with 2GB of RAM and 8GB eMMC plus a 64GB SSD. The Factor 202 will ship later this year at an undisclosed price. More information can be found in OnLogic’s announcement and the Factor 201 shopping/product page and Factor 202 preliminary product page.



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Steven L. Nielsen