Optional Full-Digital SDR Receiver: An optional full-digital and software-based SDR receiver level provides higher communication performance and flexibility. Powerful CW Decoder and CAT Support: It supports CW decoding and multiple keying modes, as well as CAT streaming for audio, key pressing, and display text, enhancing communication functionality and compatibility.
eBay
SDR QRP HF Transceiver HAM Variable Frequency Oscillator VFO RF Generator 10KHz-220MHz
Aliexpress UK
WIDE FREQUENCY RANGE: With a wide working frequency range of 1MHz to 6GHz, this SDR radio transceiver has a wide range of applications. Wireless RF Transceiver: MAX2837(2.3-2.7GHz transceiver). Any USB connected battery can work.
eBay
ZT7500 SDR Short Wave Transceiver Wolf HF LF VHF UHF DDC DUC All Mode CB Radio 100W 0-750MHZ Receive
Aliexpress UK
FREQUENCY STABILITY: QRP transceiver has separate core and RF boards to avoid its own signal interference. Receiver Front-End Selectivity: Steep -45 DB/Decade Roll Off From Tuning Frequency +/-2 KHz.
eBay
For G106C Portable SDR Shortwave Radio 5W HF Transceiver QRP WFM Radio FT8
Aliexpress UK
This is probably the most cost-effective and easy to build standalone SDR/SSB transceiver. - Full mode support: USB, LSB, CW, AM, FM. - Simple, interesting and versatile QRP SSB HF transceiver with embedded DSP and SDR functions.
eBay
For G106C Portable SDR Shortwave Radio 5W HF Transceiver QRP WFM Radio FT8
Aliexpress UK
Usdr usdx+ Plus V2 8 Band SDR Full Mode HF Ham Radio SSB QRP Transceiver Upgrade. Usdr usdx+ Plus 8 Band SDR Full Mode HF Ham Radio SSB QRP Transceiver Upgrade UK. New ATS-20+ Plus ATS20 V2 SI4732 Radio Receiver FM AM (MW & SW) SSB (LSB & USB).
eBay
ABAB USDR USDX+ Plus V2 10/15/17/20/30/40/60/80m 8 Bands SDR High Frequency SSB QRP Transceiver BNC
Aliexpress UK
Feature: 1. Item Type: SDR QRP HF Transceiver. 10KHZ TO 220MHZ WORKING RANGE: Working range is 10kHz to 220MHz, can be used with for Pro Mini. Use general 128x64 I2C for OLED for display and Si5351 module.
eBay
ABAB USDR USDX+ Plus V2 10/15/17/20/30/40/60/80m 8 Bands SDR High Frequency SSB QRP Transceiver BNC
Aliexpress UK
Optional Full-Digital SDR Receiver: An optional full-digital and software-based SDR receiver level provides higher communication performance and flexibility. Powerful CW Decoder and CAT Support: It supports CW decoding and multiple keying modes, as well as CAT streaming for audio, key pressing, and display text, enhancing communication functionality and compatibility.
eBay
For G106C Portable SDR Shortwave Radio 5W HF Transceiver QRP WFM Radio FT8
Aliexpress UK
Optional Full-Digital SDR Receiver: An optional full-digital and software-based SDR receiver level provides higher communication performance and flexibility. 2 Pin Speed Adjustable LED Flasher Relay Motorcycle Turn Signal Indicator 12V.
eBay
PORTAPACK H2 SDR Radio Full Function Wireless Transceiver HACKRF One Expansion Board
Aliexpress UK