digital communications systems

VTech® 1-Corded and 1-Cordless Handset 50-dB Amplified/Expandable Phone System for Landline, Answering System, Big Buttons, and Loud Ringer in White

Tyler TBBP-3-WH Big Button Corded Phone with Speakerphone for Seniors and Ease of Use

GPX Portable AM/FM Short Wave Radio: Digital Display, Built-In Antenna, Clock

VTech® 1-Handset DECT 6.0 Cordless Phone System for Landline, Digital Answering System, Caller ID/Call Waiting, and Backlit Keypad/Display in White

Panasonic DECT 6.0 Plus Cordless Phone System (KX-TGC222S) with Answering Machine - Silver: 3-Line Conference, Caller ID, Intercom

PAW Patrol Educational Handheld Bilingual Console: Language Skills System for Kindergarten to 3rd Grade

JBL Wireless Two Microphone System with Dual-Channel Receiver

NORTH Wireless Microphone with Charger (USB-C): Audio Equipment Accessory

AT&T® Corded Speakerphone with Large Display in Black

Amazon Echo Show 5 (3rd Gen) Adjustable Stand with USB-C Charging Port

North Complete Creator Streaming Kit: Audio Equipment Parts & Accessories

Movo Wireless Mini UC - Ultracompact Rechargeable Wireless Lavalier Microphone System for Android

Amazon Echo Dot Kids

Contixo KC4 Kids Instant Print Camera, 2.4" Screen 1080P HD 16X Zoom MP3 & Games 32GB Card Digital Camera Toy For Boys Girls Age 3-10, Pink Unicorn

AT&T® DECT 6.0 Expandable Cordless Phone System for Landline, Digital Answering System, Caller ID/Call Waiting, and Large Buttons

Precoding Techniques for Digital Communication Systems - by C -C Kuo & Shang-Ho Tsai & Layla Tadjpour & Yu-Hao Chang (Hardcover)

VTech® 1-Handset DECT 6.0 Cordless Phone System for Landline, Caller ID/Call Waiting, and Backlit Keypad/Display, CS6114 in White

Amazon Echo Dot (5th Gen 2022) - Smart Speaker with Alexa

Singing Machine SingCast One Casting Bluetooth Karaoke System with Wireless Microphone: Echo Control & LED Display

Supersonic® Professional Dual Wireless Microphone System in Black

VTech® DECT 6.0 Expandable Cordless Phone System for Landline, Digital Answering System and Caller ID/Call Waiting

RadioShack Wired Landline Phone With Large Buttons For Easy Dialing, Caller ID, Hands-Free Calls, Compact And Reliable For Home Or Office

OM SYSTEM VN-541PC Digital Voice Recorder

AT&T® Digital Answering System in White