User Manual

Bluetooth version 5.2, antenna gain 2 dBi.
If it is KNOT LR8 kit:
LR8 card.
If it is KNOT LR9 kit:
LR9 card.
Bluetooth antenna
By default, the KNOT has a built-in internal antenna that can be used but it is also possible to connect an external antenna instead to increase Bluetooth
operation range. This is relevant for the RB924i-2nD-BT5&BG77 devices.KNOT
For the and , Bluetooth external antenna pigtail placeholder is (there is already an SMA slot in place that is used KNOT LR8 kit KNOT LR9 kit not available
by the LoRa).
To use an external antenna, you will need a U.FL (female) to SMA connector (pigtail) and a Bluetooth antenna (that can be attached to the SMA).
Unscrew the screw between two SMA slots for CAT-M/NB and GNSS and remove the case.
Connect U.FL (female) pigtail to the BT slot on the board (as shown in the picture above).
Drill the hole in the board's case in the specific spot (circular outline from the inside of the case) as per the picture, and attach SMA to the case
(where the hole was drilled).
Connect Bluetooth antenna to the SMA slot.
You will need to change the antenna that you wish to use (newly connected "external" or the build-in "internal") in the RouterOS settings (under IoT→
Bluetooth→Devices→double-click on the Bluetooth interface→ in the "Antenna" field):