Data Communications and Networking

$11.27

Raspberry Pi and MQTT Essentials: A complete guide to helping you build innovative full-scale prototype projects using Raspberry Pi and MQTT protocol

$6.99

MQTT Essentials - A Lightweight IoT Protocol: Send and receive messages with the MQTT protocol for your IoT solutions.

$5.12

Beginning LoRa Radio Networks with Arduino: Build Long Range, Low Power Wireless IoT Networks

$36

Spectrum Smart Data Only SIM Card -on AT&T, T-Mobile and Verizon Network, for Security Cameras, Trail Camera, Hotspot, Tablets - No Voice & Text

$0.98

SmartSim Prepaid SIM Card 4G LTE Support AT&T, T-Mobile and Verizon Network| USA Data Only SIM Card for IoT Devices- WiFi Router,Mobile Hotspot, Security/Trail Camera- No Contract,No Voice&Text

$18.86

SIMPLE Mobile $40 Unlimited Talk,Text&Data(15GB High–Speed)[Physical Delivery]

$5.99

SmartSim Prepaid SIM Card 4G LTE Support AT&T, T-Mobile and Verizon Network| USA Data Only SIM Card for Unlocked IoT Devices-WiFi Router,Mobile Hotspot,Security/Trail Camera-No Contract,No Voice&Text

$9.69

Data Logger, Temp/Humidity, Bluetooth

$7.69

NETGEAR 4G LTE Broadband Modem (LM1200) – Use LTE as a Primary Internet Connection or Failover Solution for Always-On WiFi Certified with AT&T, T-Mobile and Verizon

$26.99

Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required!

$18.99

Guide to Wireless Communications

$3.8

Essential Guide to Telecommunications, The

$46.99

NETGEAR Nighthawk M6 Pro Mobile Hotspot 5G mmWave, 8Gbps, Unlocked, AT&T & T-Mobile, International Roaming, Portable WiFi Device for Travel, 5G Modem Wireless Router (MR6500) (Renewed)

$89.99

SIMPLE Mobile $25 Unlimited Talk & Text, 3GB Data / 30-Day Plan [Physical Delivery]

$30

Practical Python Programming for IoT: Build advanced IoT projects using a Raspberry Pi 4, MQTT, RESTful APIs, WebSockets, and Python 3

$86.49

SIMPLE Mobile $30 Unlimited Talk & Text, 5 GB Data / 30-Day Plan [Physical Delivery]

$11.99

YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4-Pack, SMS/Text, Email & Push Notifications, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Home Assistant

$24.98

SmartSim 24GB 365Days Prepaid SIM Card 4G LTE Support AT&T, T-Mobile and Verizon Network| USA Data Only SIM Card for WiFi Router,Mobile Hotspot, Security/Trail Camera- No Contract,No Voice&Text

$3.99

Motorola MT8733 WiFi 6 Router + Multi-Gig Cable Modem + 2 Phone Ports | for Comcast Xfinity Voice and Gigabit Internet Plans Up to 2500 Mbps | AX6000 | DOCSIS 3.1 | with Smart Motosync App

$198.99

Broadband Telecommunications Handbook

$7.11

Data and Computer Communications (William Stallings Books on Computer and Data Communications)

$9.95

SIMGR Prepaid SIM Card 4G LTE Support AT&T, T-Mobile and Verizon Network| USA Data Only SIM Card for IoT Devices- WiFi Router,Mobile Hotspot, Security Trail Camera-No Contract- 500MB Data Included

$3.99

Vodafone Network Europe Sim Card - 12GB in 4G/LTE in UK and Europe, 24GB and Unlimited Calls in Spain - Sim Card Europe with Vodafone Data for 14 Days - Support Hotspot for Android Mobile Phone

$20

Hiboost Cell Phone Signal Booster for Home and Office, 4,000 sq ft, Boost 5G 4G LTE Data for Verizon AT&T and All U.S. Carriers, FCC Approved

$129

HF2211, HF2211 Serial Device Server, RS232/485/422 to WiFi and Ethernet DTU Short Message Communication Module, 5-36VDC Serial Data, Device Servers

$114.9

YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required)

$72.99

Net10 $40 Unlimited Talk,Text & Data(10GB High–Speed) Plan [Physical Delivery]

$50

Tracfone Data 2GB Pin Add-On (Data Only For Android Smartphones)

$156.55

Necto Cellular Temperature & Humidity Monitor - No Monthly Fees and No WiFi Required - Instant Text/Email Alerts on Power Outage, Humidity & Temperature - Remote Monitoring Sensor for RV, Pet & Home

$9.98

MicroPython for the Internet of Things: A Beginner’s Guide to Programming with Python on Microcontrollers

$41.79

pp-Code WiFi Temperature and Humidity Sensor, Monitor From Anywhere with Email & SMS Alerts (Standard)

$9.99

YoLink Water Leak Sensor 3-Pack, LoRa Up to 1/4 Mile Open-Air Range Smart Water Leak & Flood Detector, SMS/Text, Email & Push Notifications, w/Alexa, IFTTT, Home Assistant - YoLink Hub Required

$29.99

FOORIR People Counter/Infrared Door Counter, Statistics and Display of Incoming and Outgoing Data Respectively.The Mobile Phone Can Connect to The Device Hotspot to View and Export Data.

$24.72

SpeedTalk Mobile SIM Card Kit for Smart Phones & Cellphones | $5 Monthly Plan - 100 Texts (SMS) + 100 Minutes (Talk) + 100 MB 5G 4G LTE Data | 3-in-1 Standard Micro Nano Size | 30 Days USA Coverage

$33.78

AT&T CL82407 DECT 6.0 4-Handset Cordless Phone for Home with Answering Machine, Call Blocking, Caller ID Announcer, Intercom and Long Range, Silver

$11.99

MOCREO ST5 Wireless Thermometer Freezer Alarm, Required Hub (Not Include), Email Alert, App Notification, Data Logging Export, No Subscription Fee, for Refrigerator, Freezer, Hot Tub

$20.21

AT&T BL102-3 DECT 6.0 3-Handset Cordless Phone for Home with Answering Machine, Call Blocking, Caller ID Announcer, Audio Assist, Intercom, and Unsurpassed Range, Silver/Black

$56.66

AT&T CL82267 DECT 6.0 2-Handset Cordless Phone for Home with Answering Machine, Call Blocking, Caller ID Announcer, Intercom and Long Range, Black & Wood Grain Finish

$21.99

TracFone $25 Unlimited Talk, Text, 2GB Data - 30 Day Smartphone Plan

$25

Packet Guide to Core Network Protocols

$21

HiBoost Mini Cell Signal Booster for Verizon, AT&T, T-Mobile| Up to 1500 Sq Ft/One Room| High Power Outdoor Receiving Antenna| 5G/4G/3G LTE| Band 5, 12/17, 13|App Service + Install| FCC Approved

$18.9

Cisco Data Center Fundamentals (Networking Technology)

$48.99

Azure Data Factory Cookbook - Second Edition: A data engineer's guide to building and managing ETL and ELT pipelines with data integration

$36.99

Telecommunication

$9.99

YoLink LoRa 1/4 Mile Wireless Range Smart Motion Detector, Indoor Motion Sensor, Motion Detector, Alexa, IFTTT, YoLink Hub Required

$23.97

Mullvad VPN | 12 Months for 5 Devices | Protect Your Privacy with Easy-To-Use Security VPN Service

$43.99

AT&T TL86103 2-Line Corded/Cordless for Small Business with Answering Machine, 2-Mailboxes, Connect-to-Cell, Caller ID Announcer, Intercom, Line-power, Long Range & Expandable to 12 Handsets

$19.07

Aqara Smart Hub M2 (2.4 GHz Wi-Fi Required), Smart Home Bridge for Alarm System, IR Remote Control, Home Automation, Supports Alexa, Google Assistant, Apple HomeKit and IFTTT

$16.99

AT&T BL102-2 DECT 6.0 2-Handset Cordless Phone for Home with Answering Machine, Call Blocking, Caller ID Announcer, Audio Assist, Intercom, and Unsurpassed Range, Silver/Black

$59.99

AT&T CL82519 DECT 6.0 5-Handset Cordless Phone for Home with Answering Machine, Call Blocking, Caller ID Announcer, Intercom and Long Range, Black

$73.83

Tracfone $25 Plan - Unlimited Talk and Text, 3 GB of Data / 30 Days (Physical Delivery)

$42.99

New Tracfone $30 Unlimited Talk, Text, 3GB Data - 30 Day Smartphone Plan

$30

AT&T CL82219 DECT 6.0 2-Handset Cordless Phone for Home with Answering Machine, Call Blocking, Caller ID Announcer, Intercom and Long Range, Black

$89.99

VTech IS8151-5 Super Long Range 5 Handset DECT 6.0 Cordless Phone for Home with Answering Machine, 2300 ft Range, Call Blocking, Bluetooth, Headset Jack, Power Backup, Intercom, Expandable to 12 HS

$54.99

Moultrie Mobile Edge Cellular Trail Camera -Auto Connect - Nationwide Coverage - 720p Video with Audio - Built in Memory - Cloud Storage - 80 ft Low Glow IR LED Flash

$99.99

Support Verizon ATT T-Mobile EIOTCLUB Data SIM Card - USA Coverage No Contract 4G LTE Cellular for Security Solar and Hunting Trail Game Cameras Unlocked IoT Device

$3.99

AT&T Cell Phone Signal Booster T Mobile US Cellular AT&T Signal Booster 5G 4G LTE Band 12, 17 Cell Booster ATT Cell Phone Booster T Mobile Signal Booster Cricket ATT Booster Extender for Home 4500sqft

$399.99

TracFone $40 Plan - Unlimited Talk & Text, 10 GB Data / 30–Day Plan (Physical Delivery)

$5

SAMSUNG GALAXY A14 5G USER GUIDE: The most simple and easy to use guide

$5.99