TinySA Spectrum Analyzer, Dearsee Portable Frequency Analyzer 100kHz to 960MHz MF/HF/VHF UHF Input, Signal Generator with 2.8 inch Touch Screen: Amazon.com: Industrial & Scientific
Litz Wire, 20 AWG Unserved Single Build, 64/38 Stranding, 8 oz Spool, Ideal for ~100 kHz Applications
Amazon.com: Advanced Function Generator - 1Hz to 100kHz - Eisco Labs : Industrial & Scientific
Amazon.com: USB Tuner Receiver, 100 KHZ 1.7 GHZ Tuner Receiver USB Powered UHF FM RTL SDR Receiver RTL2832U + R820T2 Chipset : Electronics
TIWWS TSG-17 Sine and Amplitude Modulation Wave High Frequency Signal Generator with 100 kHz to 150MHz - - Amazon.com
Portable TinySA Spectrum Analyzer,SEESII Upgraded V0.3.1 Handheld Tiny Frequency Analyzer 100kHz to 960MHz MF/HF/VHF UHF Input,Signal Generator with 2.8 inch Touch Screen with ESD Protect Function: Amazon.com: Industrial & Scientific
Gigahertz Solutions ME3840B EMF Meter 16Hz - 100kHz With Built In Frequency Filter - - Amazon.com
Litz Wire, 26 AWG Unserved Single Build, 16/38 Stranding, 2 oz Spool, Ideal for ~100 kHz Applications
Amazon.com: 110V High Frequency Signal Generator Signal Source Signal Frequency Radio 100KHz-150MHz : Industrial & Scientific
Amazon.com: MACH3 Motion Card 4 Axis USB CNC Motion Controller Card Breakout Board for Engraving 100 KHz : Electronics
Amazon.com: Shortwave Radio Receiver, Long Service Life Convenient 3.2M Radio Accessory for Radio RTL2832U + R820T2 100 KHz‑1.7 GHz for Radio : Electronics
AEA Technology 6014-5250 VIA Bravo II 100 kHz to 200 MHz Vector Impedance Analyzer. Dual N ports (S11/S21) - Multi Testers - Amazon.com
Amazon.com: Fluke ii910 - Acoustic Imager, 2-100 kHz, Up to 393 Ft Detection Range : Industrial & Scientific