---
product_id: 679341074
title: "SDRGEEK ATS25 Max-Decoder ii Si4732 radio receiver with 4000mA,V4.17 Upgraded Adds HI-Z antenna input impedance LNA function 50ohm mode band-pass filter circuit,support FM AM SSB DIGI(PSK) SYNC CW DSP"
brand: "sdrgeek"
price: "C$20601"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/679341074-sdrgeek-ats25-max-decoder-ii-si4732-radio-receiver-with-4000ma
store_origin: NI
region: Nicaragua
---

# HI-Z & LNA antenna input modes 4000mAh ultra-long battery life Built-in band-pass filter circuit SDRGEEK ATS25 Max-Decoder ii Si4732 radio receiver with 4000mA,V4.17 Upgraded Adds HI-Z antenna input impedance LNA function 50ohm mode band-pass filter circuit,support FM AM SSB DIGI(PSK) SYNC CW DSP

**Brand:** sdrgeek
**Price:** C$20601
**Availability:** ✅ In Stock

## Summary

> 📻 Decode the airwaves like a pro—never miss a signal, never miss a moment!

## Quick Answers

- **What is this?** SDRGEEK ATS25 Max-Decoder ii Si4732 radio receiver with 4000mA,V4.17 Upgraded Adds HI-Z antenna input impedance LNA function 50ohm mode band-pass filter circuit,support FM AM SSB DIGI(PSK) SYNC CW DSP by sdrgeek
- **How much does it cost?** C$20601 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/679341074-sdrgeek-ats25-max-decoder-ii-si4732-radio-receiver-with-4000ma)

## Best For

- sdrgeek enthusiasts

## Why This Product

- Trusted sdrgeek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Band Versatility:** Seamlessly switch between FM, AM, SSB, DIGI (PSK/FT4/FT8/RTTY), CW, and more—your ultimate multi-mode receiver.
- • **Power Through Your Day:** 4000mAh rechargeable battery delivers 8+ hours of uninterrupted listening—stay connected without constant charging.
- • **Next-Level Signal Clarity:** HI-Z high impedance and LNA modes with 50Ω support plus a band-pass filter shield interference for crystal-clear reception.
- • **Sleek, Durable & Portable:** Crafted from aluminum alloy with a compact design and bright 2.4-inch touchscreen—perfect for on-the-go pros.
- • **Immersive Audio Experience:** Built-in full-range stereo speaker plus 3.5mm headphone jack for private or group listening anytime, anywhere.

## Overview

The ATS25 Max-Decoder ii Si4732 is a premium full-band radio receiver featuring a powerful 4000mAh battery, advanced HI-Z and LNA antenna input modes, and a built-in band-pass filter to minimize interference. Supporting a wide frequency range and multiple modes including FM, AM, SSB, and digital decoding (PSK, CW, FT4/FT8), it offers professional-grade versatility in a sleek aluminum alloy body with a 2.4-inch touchscreen. Ideal for outdoor, travel, or desktop use, it delivers clear stereo sound and long-lasting performance for the discerning radio enthusiast.

## Description

SDRGEEK ATS25 Max-Decoder ii Si4732 radio receiver with 4000mA,V4.17 Upgraded Adds HI-Z antenna input impedance LNA function 50ohm mode band-pass filter circuit,support FM AM SSB DIGI(PSK) SYNC CW DSP

## Features

- 【New Upgraded Features】 This ats25 max decoder 2 has HI-Z high impedance mode and LNA mode supporting 50ohm; built-in band-pass filter circuit to shield interference; PSK mode in DIGI mode, and supports CW and other decoding functions. It is fully functional and powerful, and has a better user experience.
- 【Frequency Range】The si4732 ats-25 max-decoder radio receiver can receive FM: 64-108MHz/RDS function; LW: 153-500KHz; MW: 520-1710kHz; SW: 1730-30000KHzSSB: 17030kHz. The modes can be switched to: LSB, AM, USB, CW, DIGI (PSK/FT4/FT8/RTTY L/RTTY U/HELL), CWR, SYNC L, SYNC U. Note: If you need higher frequency reception, it is best to combine it with an active antenna.
- 【Ultra-long Battery Life-4000mAh】The upgraded all band radio receiver built-in 4000m-ah rechargeable battery,with type-C charging cable and LED charging indicator.Depending on the volume you use, can listen 8 hours at lease. The powerful battery capacity means you don't need to charge frequently, so you can enjoy your listening time for a long time.
- 【Sturdy and Beautiful Design】ATS-25max-DECODER is made of durable metal, with small and exquisite design that can throw in a bag and take anywhere. The bright display, large tuning knob, accurate frequency, no drift, and memory function are perfect for saving the most frequently used frequencies.
- 【Good Loud & Clear Audio】Built-in full-range speaker, better stereo sound. You can also connect headphones via 3.5mm headphone jack to enjoy your personal listening time. It is a radio suitable for outdoor gatherings, driving travel or listening at the bedside.

## Product Details

- **Brand:** SDRGEEK
- **Connectivity technology:** USB
- **Controller type:** touchscreen
- **Special features:** protable
- **Compatible devices:** Speaker

## Images

![SDRGEEK ATS25 Max-Decoder ii Si4732 radio receiver with 4000mA,V4.17 Upgraded Adds HI-Z antenna input impedance LNA function 50ohm mode band-pass filter circuit,support FM AM SSB DIGI(PSK) SYNC CW DSP - Image 1](https://m.media-amazon.com/images/I/613OzsTyZ1L.jpg)
![SDRGEEK ATS25 Max-Decoder ii Si4732 radio receiver with 4000mA,V4.17 Upgraded Adds HI-Z antenna input impedance LNA function 50ohm mode band-pass filter circuit,support FM AM SSB DIGI(PSK) SYNC CW DSP - Image 2](https://m.media-amazon.com/images/I/71H8aVqXTYL.jpg)
![SDRGEEK ATS25 Max-Decoder ii Si4732 radio receiver with 4000mA,V4.17 Upgraded Adds HI-Z antenna input impedance LNA function 50ohm mode band-pass filter circuit,support FM AM SSB DIGI(PSK) SYNC CW DSP - Image 3](https://m.media-amazon.com/images/I/71s2eCG9qvL.jpg)
![SDRGEEK ATS25 Max-Decoder ii Si4732 radio receiver with 4000mA,V4.17 Upgraded Adds HI-Z antenna input impedance LNA function 50ohm mode band-pass filter circuit,support FM AM SSB DIGI(PSK) SYNC CW DSP - Image 4](https://m.media-amazon.com/images/I/71BMHjtAfJL.jpg)
![SDRGEEK ATS25 Max-Decoder ii Si4732 radio receiver with 4000mA,V4.17 Upgraded Adds HI-Z antenna input impedance LNA function 50ohm mode band-pass filter circuit,support FM AM SSB DIGI(PSK) SYNC CW DSP - Image 5](https://m.media-amazon.com/images/I/71tKAaWg0kL.jpg)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-29*