
FocalBoard
User Manual
This user manual shows the specification and how to get started with Focal Boards
Overview
Focal Board is a power-integrated, small-sized Wi-Fi+Bluetooth®+Bluetooth® LE system board. This board is for a wide variety of Focal Camera applications, ranging from shelf edge, hanger mount, face mount and riser mount used in supermarkets.
Table 11. Specifications
On-Board Memory
| Flash Memory | 4 MB (CODE ONLY) |
| External PSRAM memory | 8 MB |
Interface Usage
| Install | Bluetooth |
| Typical operation | WiFi HTTP/1.1 |
Security
| Network encryption | TLS 1.2 |
Wireless Capabilities
| WiFi | 802.11b/g/n (2412-2484MHz) |
| WiFi speed | 150 Mbps (max) |
| Bluetooth compatibility | 4.2 BLE |
General
| General | General |
| General | General |
| General | General |
| General | General |
| General | General |
| General | General |
1.2 Antenna Specification
| DESCRIPTION | VALUE |
| Working Frequency | 2.4-25 GHz |
| VSWR | 2.0: I max |
| Peak Gain | 4.4dBi (Typ.) |
| Polarization | Linear |
| Radiation Pattern | Omni-directional |
| Impedance | 50 a Nominal |
| Operating Temperature | —40 °C to 85 °C |
| Maximum Power | I W |
| PCB Dimension | I 8.4mm x 7.5mm x 0.55mm |
| Radio Connector | I-PEX (20278- I I 2R- I 3) |
| Cable Diameter / Length / Color | I.13mm / 100mm / Black |
| Mounting | Adhesive Tape (HF-DS) |
Get Started on Focal Board
2.1 What You Need
To operate the module, you need
i. 1 x WiFi Module
ii. 1 x USB-C cable
iii. 1 x M5 USB to UART board
iv. 1 x PCB antenna .
- Connect the Focal Board to the M5 board and PCB antenna as shown in Figure 3-1.

- Run the ESP download tool

- Remove the M5 board then conduct the battery pack the press the button, the blue LED will light up.

Statement
3.1 Operational use condition
The Focal Board is for Focal Camera use only which requires professional installation, It is important to operate this board within Focal Systems’ recommended specifications and environmental considerations per the user guidelines. Exceeding the specified module ratings (including but not limited to input and output voltage, current, power, and environmental ranges) may cause property damage. If there are questions concerning these ratings please contact a Focal Systems’ representative.
3.2 Regular statement
FCC: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
ISED: This device complies with Innovation,on, Sdence and Economic Development Canada’s license-exempt R555. Operation is subject to the following two conditions:
- This device may not cause interference; and
- This device must accept any interference, induding interference that may cause undesired operation of the device.
3.3 RF Exposure warning statements:
FCC: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End-users must follow the specific operating instructions for satisfying RF exposure compliance. This transmitter must be at least 20 cm from the user and must not be co-located or operating in conjunction with any other antenna or transmitter.
The information in this guide may change without notice. The manufacturer assumes no responsibility for any errors that may appear in this guide.
ISED: Radiation Exposure Statement: This equipment complies with the IC RSS-102 radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and your body.
Revision History
| Date | Version | Release notes |
| 2021-0928 | V0.1 | Preliminary release |





















