# USDX USDX-Plus HF 1.8-30 MHz QRP SDR Radio

## USDX USDX-Plus HF 1.8-30 MHz QRP SDR Radio

The USDX Plus is an ultra-compact HF QRP SDR transceiver designed for portable amateur radio operation across the HF spectrum. Utilizing a software-defined radio architecture with embedded DSP processing and an efficient Class-E transmitter design, the uSDX Plus delivers multi-mode HF communication in a lightweight, field-friendly package ideal for portable operating, digital modes, experimentation, and low-power DX operation.

### Key Features

-   HF coverage from 1.8 MHz to 30 MHz amateur bands
-   Multi-band operation covering 160m through 10m amateur bands
-   All-mode support including SSB, CW, AM, FM, and digital modes
-   Software Defined Radio (SDR) receiver architecture
-   Embedded DSP signal processing functions
-   Efficient Class-E transmitter design for reduced power consumption
-   Up to 5 Watts PEP RF output on external 13.8 VDC supply
-   Continuously tunable across supported HF frequency ranges
-   Built-in DSP filtering with multiple bandwidth selections
-   Automatic Gain Control (AGC) functionality
-   Digital Noise Reduction (NR)
-   Selectable receiver attenuator settings
-   Voice Operated Transmit (VOX) support
-   TX noise gate and transmit drive adjustment
-   Integrated S-meter and signal strength display
-   CW decoder and built-in electronic keyer
-   Straight key and Iambic A/B keyer support
-   VFO A/B operation with split functionality
-   RIT (Receiver Incremental Tuning) support
-   CAT control compatibility for computer integration
-   Compatible with FT8, FT4, JS8Call, and other digital mode software
-   Built-in speaker for standalone operation
-   Front-panel controls for portable operation
-   TCXO frequency reference for improved frequency stability
-   Open-source firmware platform for customization and experimentation
-   Compact lightweight design suitable for field deployment
-   Ideal for QRP operation, portable activations, and amateur radio experimentation

### Typical Uses

-   Portable HF amateur radio operation
-   QRP field communications
-   POTA and SOTA activations
-   FT8, FT4, JS8Call, and digital modes
-   Emergency and backup communication setups
-   HF experimentation and SDR learning
-   Low-power DX operation

### In the Box

-   USDX Plus HF QRP SDR Transceiver
-   Hand Microphone
-   Power Cable
-   User Documentation

## Details

- **Price:** 12500.0 INR
- **Vendor:** USDX
- **Type:** Transceivers
- **Tags:** base-station-mobile, hf-base-station-or-mobile, transceivers, usdx

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 12500.00 INR | In stock |

## Images

- USDX USDX-Plus HF 1.8-30 MHz QRP SDR Radio | RF Communications Product by RFCharge
- USDX USDX-Plus HF 1.8-30 MHz QRP SDR Radio | RF Communications Product by RFCharge
- USDX USDX-Plus HF 1.8-30 MHz QRP SDR Radio | RF Communications Product by RFCharge
- USDX USDX-Plus HF 1.8-30 MHz QRP SDR Radio | RF Communications Product by RFCharge
- USDX USDX-Plus HF 1.8-30 MHz QRP SDR Radio | RF Communications Product by RFCharge
- USDX USDX-Plus HF 1.8-30 MHz QRP SDR Radio | RF Communications Product by RFCharge

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> Source: [RFCharge](https://rfcharge.com/products/usdr-usdx)
> Updated: 2026-06-30