F1 Smart Module

February 2024 V1.0


The F1 Smart Module  is a compact OEM module equipped with BLE, WiFi,LoRa(WAN), and LTE CAT-M1/NB1/NB2 to support various connectivity needs. Running on a MicroPython programmable microcontroller with a no-barrier entry into the SG Wireless Ctrl. Cloud Platform, the module enables truly limitless ioT application develoment with multi-network creation flexibility and rapid scaling capacity. The F1 Smart Module has three variants with various connectivity options.

  • Multi-connectivity:
    • WiFi 802.11b/g/n (2.4GHz)
    • Bluetooth BLE 5.0
    • Cellular LTE-CAT M1/NB1/NB2
    • LoRa(WAN) 868MHz(EU) and 915MHz (US)
  • Powerful Espressif ESP32-S3 CPU
  • MicroPython programmable with 27 IOs on module pads
  • SMT-friendly semi-hole pins at module edges
  • Operating temperature: -40°C to 85°C
  • Compact size-to-functionality ratio: 42.6mm x 17.6mm x 3.6mm
Product Order Part Number Description
F1 SGW3501 4-in-1 multi-connectivity module: BLE, WiFi, LoRa(WAN), LTE
F1/C SGW3401 3-in-1 multi-connectivity module: BLE, WiFi and LTE
F1/L SGW3201 3-in-1 multi-connectivity module: BLE, WiFi and LoRa(WAN)


1.  General Features 

    1. Feature Specifications
    2. Block Diagram

2.  Electrical Specifications 

    1. Absolute Rating and Operating Conditions
    2. WiFi
    3. Bluetooth
    4. LTE
    5. LoRa(WAN)

3.  Module Interface

    1. Power Management
    2. Memory Allocation

4.  Mechanical Data

    1. Mechanical Specification
    2. Module Pin-out
    3. Recommended PCB Landing Pattern
    4. Recommended Basic Circuit
    5. Recommended Soldering Profile

5.  MicroPython Application Development on F1

    1. Device Programming via UART
    2. Module-supported libraries
    3. MicroPython Capability – REPL (Read-Eval-Print Loop)

6.  Product Packaging

7.  Revision History