RTL-SDR device used in the classroom with a simple and small antenna

Antennas

RTL-SDR BLOG V3 USB Dongle with Dipole Antenna Kit - WRL-22957 - SparkFun Electronics

Lab 2: Capturing Signals, and Displaying Signals in Matlab

shortwave

Monitor Air Traffic With a Software-Defined Radio and a Raspberry Pi - Stephen Foskett, Pack Rat

Nooelec RTL-SDR v5 SDR - NESDR Smart HF/VHF/UHF (100kHz-1.75GHz) Software Defined Radio. Premium RTLSDR w/ 0.5PPM TCXO, SMA Input & Aluminum Enclosure. RTL2832U & R820T2 (R860)-Based Radio : Electronics

What are some ways you've improved performance of an RTL-SDR? - Quora

This premium RTL-SDR was designed, developed and fabricated by Nooelec in the USA and Canada. It allows you to turn your computer, phone or tablet into a radio scanner/ham radio receiver that can receive nearly all RF signals! Compatible with Windows, Mac OS, Linux, and Android.

Nooelec NESDR Smart Premium RTL-SDR w/ Aluminum Enclosure 0.5ppm TCXO SMA Input

3 x [RTL-SDR, Pi3B+] currently gathering some pager and weather data for a local CFS Brigade. Any suggestions on antennae's for signals around 148 MHz, also, Can I connect all three singles

USB-Based RTL-SDR Radio Tuner RF Spectrum Analyzer For Android Devices

Mini-Whip Medium and Short Wave SDR Antenna RTL-SDR Receiver Antenna with Cable 9V-15V

Mini Whip Antenna RTLSDR, Shortwave Active Antenna Medium Short Antenna Receiver Medium Short Ultrashort Active Antenna Module for Radio : Electronics

Mini-Whip Medium and Short Wave SDR Antenna RTL-SDR Receiver Antenna with Cable 9V-15V

THE B-HIVE: Cheap Software Defined Radio (SDR) Changes Everything! - TELEGRID

RTL-SDR Blog RTL SDR Receiver V3 RTL2832U 0.1MHz-1.7GHz TCXO SMA Software Defined Radio Receiver with Antenna - AliExpress