User's Manual

Sensor Maestros
P a g e | 3 Revised: Novermber 30, 2022
The (Family model smB1110/smB1111) two models of Main Board share the same PCB layout.
The only difference is the SMB1111 uses a slightly newer BLE SoC in the nRF52811-QCAA.
⚫ smB1110 uses the nRF52810-QCAA BLE SoC
⚫ smB1111 uses the nRF52811-QCAA BLE SoC
Model
Item Description
Placement
Type/
Model
Manufacturer
Name
Manufacturers.
Part Number
Remark
smB1110
Bluetooth PCBA with PCB
Trace Antenna
U2
nRF52810
Nordic
Semiconductor
nRF52810-QCAA
N/A
smB1111
Bluetooth PCBA with PCB
Trace Antenna
U2
nRF52811
Nordic
Semiconductor
nRF52811-QCAA
N/A
Antenna Approved for use with smB1110 and smB1111
Part Number
Max Gain (dBi)
Supplier
Notes
PCB Trace
3.3
PCBA Trace
Inverted F PCB Trace Antenna
This unit is sold pre-programmed with its Radio Transmit interval, BLE UUID, and Transmit Power defined and
is encompassed into a plastic enclosure so there is not a detailed user manual.
RADMEDIA-BLE-T21, T22 Mechanical View
NOTE: There are no accessible GPIO to a user/host outside of power and programming pins.