No External Software Required SI5351 WSPR WSPR Transmitter WSPR GPS Transmitter

Features: A small WSPR message transmission hardware device based on the SI5351 chip. This device incorporates a TCXO to eliminate frequency drift of the SI5351 and a built-in GPS module for use with an active GPS antenna. It features transmission time synchronization and automatic QTH positioning calculation, and employs a buffer based on the 74ACT244 chip.

After configuring the call sign, grid (GPS is used by default), and frequency through the serial port, it can be used without the need for external software or code.

Specifications:

Part Name: SI5351 WSPR Transmitter Frequency: 1-30MHz Material: ABS Color: As shown size: 50*20*63mm (excluding connector) RF Connector: for SMA Feeder: 50Ω coaxial cable GPS Antenna Type: Active, External Maximum Output Power: ~23dBm Power Supply: USB-5V

Package Contents: 1 x Device 1 x GPS Antenna 1 x Type-C Cable

Note: It can be used immediately after configuring the call sign, grid (GPS is used by default) and frequency via serial port; no external software or code is required.