SiDRadio: RTL-SDR Kit including Preselector & Upconverter
DG8SAQ VNWA Testboard Kit Including Test Components
Software Defined Radios - TinySDR
Raptor SDR Development Kit
STEMlab 122.88-16 SDR Kit Basic - Red Pitaya | Mouser
Amazon.com: NESDR Smart v4 RTL-SDR Essentials Starter Kit - Includes Everything to Start with Software Defined Radio Including Premium SDR, Flamingo FM Bandstop Filter, 3 Antennas, 10 Adapters & Case : Electronics
SDR-Kits
Low-cost and free tools fit for an engineer's personal budget | 2021-02-02 | Signal Integrity Journal
100khz-1.7ghz Diy Kits Full Band Uv Hf Rtl Sdr Usb Tuner Receiver R820t Rtl2832u + R820t Cw Fm Vhf Uhf Am + Antenna - Integrated Circuits - AliExpress
SDR starter kit developed for Raspberry Pi, Grove and LimeSDR using Scratch - Lime Microsystems
SDR-Kits
Software-defined radio kit integrates with module SDR-PM 402 - Military Embedded Systems
Elektor Raspberry Pi RTL-SDR Kit | Elektor
FireFly Transceiver - Pacific Antenna
USRP B200 USB Software Defined Radio (SDR) - Ettus Research | Ettus Research, a National Instruments Brand | The leader in Software Defined Radio (SDR)
DG8SAQ VNWA 3 & 3E - Vector Network Analyzer - SDR-Kits
Chinese and Russian Custom RTL-SDR Kits
DG8SAQ VNWA 3 and 3EC book
Loop Antenna Module Parts Kit | Sdr Kits Radio Receiver | Magnetic Antenna Sdr - Antenna - Aliexpress
Vnwa DG8 | PDF | Usb | Electronic Engineering
SDR Plus Intro Kit (45db) - ENDOBOLT.HU
This looks like the best Ham-radio SDR kit so far | ON7GF