ATS25 Max-Decoder ii Radio Receiver

Introduction

The Upgraded SI4732 ATS25 Max-Decoder II (firmware version 4.17) is a powerful multi-band shortwave radio receiver, designed for HAM enthusiasts, DXers, and radio hobbyists. The latest upgrade introduces four new modes (DIGI, CWR, SYNC L, SYNC U), along with WiFi connectivity, RTty decoding, Bluetooth, HI-Z antenna input impedance, and LNA function, greatly improving sensitivity, stability, and signal clarity.

Equipped with a 2.4-inch touchscreen, the ATS25 Max-Decoder II offers intuitive operation with broadcast search, HAM band shortcut channels, and direct numeric frequency input. Battery level and time display make operation more convenient.

For audio, it includes a 3-inch external magnetic full-frequency stereo speaker, delivering rich, clear sound. FM stereo programs can also be enjoyed via headphones, which double as an FM antenna.

With a built-in 4000mAh lithium battery, the receiver ensures up to 8 hours of continuous operation and supports USB-C fast charging, compatible with most modern cables and adapters.

Compact and portable, the ATS25 Max-Decoder II is perfect for camping, travel, and field operations, while offering advanced decoding capabilities such as PSK/FT4/FT8/RTTY/HELL, making it a versatile tool for both professional and amateur radio users.