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GT-38 Wireless Microcontroller Serial Port Module SI4438/4463

Sale! -22%

Original price was: £8.90.Current price is: £6.90.

QuantityDiscountDiscounted Price
5 - 9 5% £6.56
10 + 10% £6.21

GT-38 Wireless Microcontroller Serial Port Module SI4438/4463 £8.90 Original price was: £8.90.£6.90Current price is: £6.90.
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GT-38 Wireless Microcontroller Key Features:

  • Extended Range: Achieve long-distance wireless transmission up to 1200 meters in open ground using FU4 mode with an air baud rate of 1000bps.
  • Flexible Frequency: Operates within a frequency range of 433-458.5MHz, offering up to 255 communication channels.
  • Powerful Transmission: Boasts a maximum transmission power of 100mW (20dBm) with 8 adjustable power levels.
  • Versatile Working Modes: Four distinct working modes cater to a variety of application scenarios.
  • Embedded MCU: Comes with an in-built MCU, facilitating communication with external devices via serial port without the need for external programming.
  • Efficient Data Transmission: Send up to 256 bytes in a single go.
  • Flexible Connectivity: Supports both one-to-many and many-to-many connection transparent transmissions.
  • Compact Design: With dimensions of 26.7mm × 12.9mm × 6mm, the module is designed for easy embedding into application systems. Plus, it offers both PCB and spring antenna options to suit your needs.
GT 38 Wireless Microcontroller Serial Port Module SI44384463 connection

User-Friendly Interface: The GT-38 module is not just about power; it’s also about ease of use. With various transparent transmission modes, users only need to manage serial port data. The module also supports multiple serial port transparent transmission modes, selectable via AT commands.

A New Generation in Wireless Communication: The GT-38 Wireless Microcontroller Serial Port Module SI4438/4463 is a revolutionary step in wireless data transmission, poised to be a worthy successor to modules like the HC-12.

GT 38 Wireless Microcontroller Serial Port Module SI44384463 schematic

Comparison of the GT-38 Module and the HC-12 Wireless Serial Port Module:

Feature/CharacteristicGT-38 Wireless Serial Port ModuleHC-12 Wireless Serial Port Module
Wireless Working Frequency433MHz433MHz
Distance RangeUp to 1200 metersUp to 1 km
UART Interface Compatibility5V or 3.3V microcontrollers5V microcontrollers
Replacement/ConfigurationCan replace the HC-12 moduleHas a built-in MCU for easy configuration
AvailabilityAvailable on on

The estimated delivery time:

  • Standard (Free for orders over 25£ or 1.90£ Service) – Estimated 1-2 working days
  • Tracked 24H – Estimated 1-2 working days with tracking
  • Next Day Special Guarantee- Next Working Day before 1 p.m. (if ordered before 3 p.m.)

Items are normally dispatched within 24 hours (the same day if ordered before 3 p.m., excluding weekends) in 99.9% of cases.

When you place an order, and it is successful, you will receive an email confirmation for the received order. When the order is dispatched, you will receive an email confirming that your order is complete. Please note that if the order is placed with the standard service, tracking will only show when a delivery attempt is made or when the order is delivered.