Agilent U2001A USB Power Sensor, 10 MHz to 6 GHz, -60 dBm to +20 dBm
USB RF Power Meter, 1 to 1000 MHz, -40 to +50 dBm (0.1uW to 100W), RA1M1000A | eBay
USB Frequency Synthesizer PLL, 21 GHz to 24 GHz, -17 dBm Pout, 50 MHz Reference -88
U2002H USB Power Sensor, 50 MHz to 24 GHz | Keysight
SA124B — 12.4 GHz Spectrum Analyzer | Signal Hound
USB PLL Frequency Synthesizer, 35 MHz - 4.4 GHz, -20 dBm Pout, 50 MHz Reference and SMA output
Amazon.com: YARONGTECH® RFID MIFARE Card Reader 13.56mhz USB : Electronics
USB PLL Frequency Synthesizer, 35 MHz - 4.4 GHz, -20 dBm Pout, 50 MHz Reference and SMA
USB RF SPDT Solid State Switch Matrix, 10 MHz – 8.5 GHz, 50Ω | USB-4SP2T-852H | Mini-Circuits
HID OMNIKEY 5022 CL Contactless High Frequency Smart Card Reader, USB, 13.56 MHz | eBay
NFC Reader Writer, 424kbps Lightweight 13.56MHz IC Card Reader Anti Collision Function USB 2.0 Full Speed For FeliCa NFC - Walmart.com
USB Card Issuing Device Support 125kHz/13.56MHz / Dual Frequency for Access Control System - China RFID Card Issuing Machine, Card Issuing Machine | Made-in-China.com
RDR-7581AKU WAVE ID® Solo Keystroke 13.56MHz CSN Black USB Reader - rfIDEAS-shop
USB Frequency Synthesizer PLL, 35 MHz to 4.4 GHz, 50 MHz Reference -103 dBc/Hz Phase
RFID 125KHZ EM4100 USB Port NFC IC Smart Card Reader 13.56MHz MF/S50/S70 Free Drive Support for Window Linux Vista Android - AliExpress
USB Frequency Synthesizer PLL, 35 MHz to 4.4 GHz, 50 MHz Reference -103 dBc/Hz Phase
IC08 USB 125Khz + 13.56 Mhz RFID Card Reader
USB oscilloscope for PC, MSO, 4 + 16-channel, 200 MHz | PicoScope 5444D MSO (PQ154) | buy & inquire
USB Card Issuing Device Support 125kHz/13.56MHz / Dual Frequency for Access Control System - China RFID Card Issuing Machine, Card Issuing Machine | Made-in-China.com
30 dB Programmable USB Controlled Attenuator, SMA Female to SMA Female, 1 dB Steps From 100 MHz to 18 GHz
SynthUSB3 12.5MHz 6.4GHz RF Signal Generator ($389.00) : Saelig Online Store
2N External RFID Card Reader 125 kHz + 13.56 MHz 01400-001 B&H
