Remote monitoring is often required in the most unforgiving places. SENSBLUE MONARCH was explicitly designed for demanding and harsh installation locations where standard equipment often fails.
True efficiency isn’t about doing less. It’s about timing.
Engineered to master the balance between granular monitoring and energy conservation. If values are not within range, it will send the data as soon as possible so you can act on time. It is autonomy, redefined.
1.1 Table of SENSBLUE MONARCH Reference ID Model Number
Solar Panel
Probe Connectors
External LTE Antenna
PA000000076
x
x1
-
PA000000079
x
x2
-
PA000000080
x
x1
x
PA000000074
x
x2
x
PA000000081
-
x1
-
PA000000082
-
x2
-
PA000000083
-
x1
x
PA000000084
-
x2
x
2. General Description
SENSBLUE MONARCH is a multifunctional embedded system designed for industrial and remote monitoring applications.
It integrates a wide range of communication interfaces, sensor inputs, and control outputs, making it suitable for IoT, telemetry, and simple automation solutions. Powered by a solar panel and internal battery for remote, demanding and harsh installation locations, or, alternatively, by an external power supply.
2.1 Main Features
Integrated Solar Panel (in specific model versions)
Internal 18650 lithium-ion Battery
RS485 Interface
ESP32-WROOM-32E Microcontroller
Internal USB-C for charging
Internal Sensors (Humidity, Barometric Pressure and Temperature)
Human-Machine Interface (RGB LEDs, push-button)
FOTA (Firmware Over the Air Update)
2.2 Technical Specifications
Parameter
Value
Microcontroller
ESP32-WROOM-32E
Communication Interfaces
RS485, GSM (2G, LTE-M), Wi-Fi
Power Supply
- (Li-Ion 18650) Internal battery + Solar panel
- 12-24V External power
Protections
Transient Voltage Protection, ESD Protection, Reverse Polarity Protection
Connectors
USB-C, standard headers, Male, Female *PA dependable
Operating Temperature / Humidity Range
-20 ~ 60 ºC 95% HR Non-condensing
Enclosure and lid material
Polycarbonate
3. Communication Interfaces
SENSBLUE MONARCH supports the following communication interfaces:
RS485
local 12V DC/DC boost converter (max100mA)
Wi-Fi
2.4 GHz Wi-Fi 802.11 b/g/n with HT20 / HT40
Centre frequency range of operating channel: 2412 ~ 2484 MHz
GSM - Quectel BG95-M3:
Cat M1
B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/
B25/B26/B27/B28/B66/B85
Cat NB2
B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/
B25/B28/B66/B71/B85
EGPRS
GSM850/EGSM900/DCS1800/PCS1900
LTE Bands Power Class
Power Class 5 (21 dBm)
HMI
RGB LEDs
Internal OLED Display 0.96”
Push-button, Reset-button
Led behaviour
Colour
Meaning
Description
Cyan
Normal Operation
The device is starting up.
Sensors are being initialized or read.
The system is operating normally.
Blue
Connectivity
The device is connecting to the network (GSM or Wi-Fi).
The device is communicating with the server.
A periodic blue blink means the device is waiting for network access.
Green
Success
Data is being transmitted.
A short green blink indicates each data transmission.
A steady green light means the communication was completed successfully.
Orange
Warning
Data was sent but no confirmation was received.
A temporary or partial communication issue occurred.
Red
Error
Blinking patterns indicate different types of errors:
