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购买 RF Scanner Long Range

$1,398.00

Zebra MC9300 Mobile Computer, MC93 Android 13 1D/2D Barcode Scanner (Extended Range), 53-Key Alpha Numeric Keyboard.

Amazon.com

Free shipping

$1,398.00

Zebra MC9300 Mobile Computer, MC93 Android 13 1D/2D Barcode Scanner (Extended Range), 53-Key Alpha Numeric Keyboard.

Amazon.com

$74.99

Alacrity Upgraded 2D Industrial Barcode Scanner With Wireless Charging Stand, 1968 Feet Transmission Distance 433Mhz Wireless & Bluetooth 2In1 Barcode

Amazon.com

463

Free shipping

$74.99

Alacrity Upgraded 2D Industrial Barcode Scanner With Wireless Charging Stand, 1968 Feet Transmission Distance 433Mhz Wireless & Bluetooth 2In1 Barcode

Amazon.com

463

$49.99

Eyoyo 2D 1D Wireless Barcode Scanner With Stand, 3-In-1 Barcode Reader 2.4G Wireless & Bluetooth & Wired USB Connection, Handheld QR Scanner

Amazon.com

Free shipping

$49.99

Eyoyo 2D 1D Wireless Barcode Scanner With Stand, 3-In-1 Barcode Reader 2.4G Wireless & Bluetooth & Wired USB Connection, Handheld QR Scanner

Amazon.com

$365.00

$425.99

Honeywell Granit 1981I-FR(Full Range) Wireless Bluetooth Heavy Duty Industrial-Grade Area-Imaging Barcode Scanner Kit (1D, 2D And PDF) With

Amazon.com

Free shipping

折扣 14%

$365.00

$425.99

Honeywell Granit 1981I-FR(Full Range) Wireless Bluetooth Heavy Duty Industrial-Grade Area-Imaging Barcode Scanner Kit (1D, 2D And PDF) With

Amazon.com

$72.99

Wearable Ring Scanner For Motorola Symbol RS419 WT41N0 RS419-HP2000FSR

Amazon.com

Free shipping

$72.99

Wearable Ring Scanner For Motorola Symbol RS419 WT41N0 RS419-HP2000FSR

Amazon.com

Free shipping

$49.99

Barcode Scanner With Stand, Bluetooth And Wireless Barcode Scanner, Inventory 2D 1D QR Code Scanners For Computer POS, Handheld CMOS Image Bar Code

Amazon.com

227

Free shipping

$49.99

Barcode Scanner With Stand, Bluetooth And Wireless Barcode Scanner, Inventory 2D 1D QR Code Scanners For Computer POS, Handheld CMOS Image Bar Code

Amazon.com

227

$159.99

$179.99

Zebra Symbol LI4278 Wireless Bluetooth Barcode Scanner, With Cradle And USB Cables

Amazon.com

142

Free shipping

折扣 11%

$159.99

$179.99

Zebra Symbol LI4278 Wireless Bluetooth Barcode Scanner, With Cradle And USB Cables

Amazon.com

142

$165.00

Zebra TC56 Wireless Android Handheld 2D/1D/QR Code Barcode Scanner, TC56CJ, Charger Included (Renewed)

Amazon.com

Free shipping

$165.00

Zebra TC56 Wireless Android Handheld 2D/1D/QR Code Barcode Scanner, TC56CJ, Charger Included (Renewed)

Amazon.com

Free shipping

$537.68

Zebra DS3678-SR Ultra-Rugged Industrial Grade Cordless Barcode Scanner Includes Cradle - Bluetooth, Serial, USB Connectivity - Handheld Standard Range

Amazon.com

Free shipping

$537.68

Zebra DS3678-SR Ultra-Rugged Industrial Grade Cordless Barcode Scanner Includes Cradle - Bluetooth, Serial, USB Connectivity - Handheld Standard Range

Amazon.com

Free shipping

$43.99

Tera 1D 2D QR Barcode Scanner Wireless And Wired With Battery Level Indicator Digital Printed Bar Code Reader Cordless Handheld Barcode Scanner

Amazon.com

4 千+

Free shipping

$43.99

Tera 1D 2D QR Barcode Scanner Wireless And Wired With Battery Level Indicator Digital Printed Bar Code Reader Cordless Handheld Barcode Scanner

Amazon.com

4 千+

$69.99

NADAMOO Wireless Barcode Scanner With Charging Cradle, Read 1D, 2D, QR Code, Data Matrix, PDF417, 400m Transmission Distance, 2200Mah Rechargeable

Amazon.com

119

Free shipping

$69.99

NADAMOO Wireless Barcode Scanner With Charging Cradle, Read 1D, 2D, QR Code, Data Matrix, PDF417, 400m Transmission Distance, 2200Mah Rechargeable

Amazon.com

119

$84.95

Zebra/Motorola Symbol DS6878-SR 2D Wireless Bluetooth Barcode Scanner, Includes Cradle And USB Cord (Renewed)

Amazon.com

240

Free shipping

$84.95

Zebra/Motorola Symbol DS6878-SR 2D Wireless Bluetooth Barcode Scanner, Includes Cradle And USB Cord (Renewed)

Amazon.com

240

$29.99

Symcode Wireless Bluetooth Barcode Scanner,Bluetooth & USB Wired & 2.4G Wireless Connection Ergonomics Handheld Barcode Scanner Reader, 2D 1D QR Code

Amazon.com

$29.99

Symcode Wireless Bluetooth Barcode Scanner,Bluetooth & USB Wired & 2.4G Wireless Connection Ergonomics Handheld Barcode Scanner Reader, 2D 1D QR Code

Amazon.com

$58.99

NADAMOO Wireless 2D Barcode Scanner Compatible With Bluetooth, 2.4G Wireless & USB Wired Connection, Portable Bar Code Scanner For Inventory Library

Amazon.com

1 千+

Free shipping

$58.99

NADAMOO Wireless 2D Barcode Scanner Compatible With Bluetooth, 2.4G Wireless & USB Wired Connection, Portable Bar Code Scanner For Inventory Library

Amazon.com

1 千+

$556.83

Zebra Enterprise DS3608-ER20003VZWW Series 3600 Corded Ultra-Rugged Scanner, Extended Range 1D/2D Imager, Vibration Motor, Industrial Green

Amazon.com

Free shipping

$556.83

Zebra Enterprise DS3608-ER20003VZWW Series 3600 Corded Ultra-Rugged Scanner, Extended Range 1D/2D Imager, Vibration Motor, Industrial Green

Amazon.com

Free shipping

$21.99

Symcode Wireless Barcode Scanner Versatile 2-In-1 (2.4Ghz Wireless+USB 2.0 Wired) Handheld Automatic 1D Laser Barcode Scanner 328 Feet Transmission

Amazon.com

117

$21.99

Symcode Wireless Barcode Scanner Versatile 2-In-1 (2.4Ghz Wireless+USB 2.0 Wired) Handheld Automatic 1D Laser Barcode Scanner 328 Feet Transmission

Amazon.com

117

$34.24

$38.99

Tera Barcode Scanner Wireless Versatile 2-In-1 (2.4Ghz Wireless+USB 2.0 Wired) With Battery Level Indicator, 328 Feet Transmission Distance

Amazon.com

3 千+

折扣 12%

$34.24

$38.99

Tera Barcode Scanner Wireless Versatile 2-In-1 (2.4Ghz Wireless+USB 2.0 Wired) With Battery Level Indicator, 328 Feet Transmission Distance

Amazon.com

3 千+

$44.99

Symcode Bluetooth Wireless Barcode Scanner,Compatible With Bluetooth Function & 2.4Ghz Wireless, Portable Barcode Reader Work With Windows, Mac,

Amazon.com

315

Free shipping

$44.99

Symcode Bluetooth Wireless Barcode Scanner,Compatible With Bluetooth Function & 2.4Ghz Wireless, Portable Barcode Reader Work With Windows, Mac,

Amazon.com

315

$74.99

Eyoyo 1D Wireless Ring Barcode Scanner, Compatible With Bluetooth Function & 2.4Ghz Wireless & Wired Connection, Portable Wearable Mini Finger Bar

Amazon.com

364

Free shipping

$74.99

Eyoyo 1D Wireless Ring Barcode Scanner, Compatible With Bluetooth Function & 2.4Ghz Wireless & Wired Connection, Portable Wearable Mini Finger Bar

Amazon.com

364

$89.99

Inateck Super Wireless Barcode Scanner, Transmission Range Up To 330Ft, Wireless Adapter And Build-In Bluetooth, Working Time Approx. 30 Days, With

Amazon.com

1 千+

Free shipping

$89.99

Inateck Super Wireless Barcode Scanner, Transmission Range Up To 330Ft, Wireless Adapter And Build-In Bluetooth, Working Time Approx. 30 Days, With

Amazon.com

1 千+

$192.99

$207.19

Zebra Symbol DS2278-SR Wireless 2D/1D Bluetooth Barcode Scanner/Imager, Includes Cradle And Heavy-Duty Shielded 7ft USB Cable (CBA-U21-S07ZAR)

Amazon.com

Free shipping

$192.99

$207.19

Zebra Symbol DS2278-SR Wireless 2D/1D Bluetooth Barcode Scanner/Imager, Includes Cradle And Heavy-Duty Shielded 7ft USB Cable (CBA-U21-S07ZAR)

Amazon.com

$89.99

Alacrity Industrial-Grade Bluetooth 433Mhz Wireless 2-In-1 Barcode Scanner With Screen And Dock, Long-Range 1500m Connectivity For Retail, Warehouse,

Amazon.com

Free shipping

$89.99

Alacrity Industrial-Grade Bluetooth 433Mhz Wireless 2-In-1 Barcode Scanner With Screen And Dock, Long-Range 1500m Connectivity For Retail, Warehouse,

Amazon.com

$44.99

$89.99

Symcode Upgraded 2D Barcode Scanner With Display Screen 1968 Feet Transmission Distance With Wireless Charging Cradle Bluetooth 433Mhz Wireless USB

Amazon.com

Free shipping

折扣 50%

$44.99

$89.99

Symcode Upgraded 2D Barcode Scanner With Display Screen 1968 Feet Transmission Distance With Wireless Charging Cradle Bluetooth 433Mhz Wireless USB

Amazon.com

$410.00

Zebra DS3608-ER (Extended Range) Ultra-Rugged Handheld Corded/Wired 2D Barcode Scanner (1D, 2D, PDF417, QR Code) With USB Cable (Renewed)

Amazon.com

Free shipping

$410.00

Zebra DS3608-ER (Extended Range) Ultra-Rugged Handheld Corded/Wired 2D Barcode Scanner (1D, 2D, PDF417, QR Code) With USB Cable (Renewed)

Amazon.com

Free shipping

$398.00

Zebra LI3678-SR Ultra-Rugged Cordless 1D Barcode Scanner Kit | FIPS | Includes Cradle, Power Supply & USB Cord | Vibration Motor (Renewed)

Amazon.com

Free shipping

$398.00

Zebra LI3678-SR Ultra-Rugged Cordless 1D Barcode Scanner Kit | FIPS | Includes Cradle, Power Supply & USB Cord | Vibration Motor (Renewed)

Amazon.com

Free shipping

$79.99

THARO New Wireless Mouse Barcode Scanner, 2-In-1 Design 2D Handheld Barcode Scanner With Wireless Mouse Functions For POS System,Store,Supermarket,

Amazon.com

Free shipping

$79.99

THARO New Wireless Mouse Barcode Scanner, 2-In-1 Design 2D Handheld Barcode Scanner With Wireless Mouse Functions For POS System,Store,Supermarket,

Amazon.com

$69.99

Wireless Image Barcode Scanner 1D & 2D

GreatGages

188

$69.99

Wireless Image Barcode Scanner 1D & 2D

GreatGages

188

$65.04

Manhattan 460835, Long Range CCD USB Barcode Scanner 300Mm, Black

PrimeBuy

$65.04

Manhattan 460835, Long Range CCD USB Barcode Scanner 300Mm, Black

PrimeBuy

$7.95

$15.55

Wireless RF Signal Scanner 5 Levels Adjustable Sensitivity Bug Detectors 25H Working Time Electronic

Aliexpress

折扣 48%

$7.95

$15.55

Wireless RF Signal Scanner 5 Levels Adjustable Sensitivity Bug Detectors 25H Working Time Electronic

Aliexpress

$18.43

Wireless RF Signal Scanner 5 Levels Adjustable Sensitivity Listening Devices Finder 25H Working Time

Aliexpress

Free shipping

$18.43

Wireless RF Signal Scanner 5 Levels Adjustable Sensitivity Listening Devices Finder 25H Working Time

Aliexpress

Free shipping

$54.13

Handheld Scanner. 25,000 Dynamically Allocated Channels. Close Call RF Capture Technology. Location-Based Scanning And S.A.M.E. Weather Alert. Compact Size.(Scanner/ONESIZE)

WhiteStyle

$54.13

Handheld Scanner. 25,000 Dynamically Allocated Channels. Close Call RF Capture Technology. Location-Based Scanning And S.A.M.E. Weather Alert. Compact Size.(Scanner/ONESIZE)

WhiteStyle

$139.99

Uniden 800 Mhz 300-Channel Base Mobile Scanner (Bc355n) | Black

Walmart

Free shipping

$139.99

Uniden 800 Mhz 300-Channel Base Mobile Scanner (Bc355n) | Black

Walmart

$344.87

$446.43

HOT BCD325P2 Handheld Trunktracker V Scanner. 25,000 Dynamically Allocated Channels. Close Call RF

Aliexpress

Free shipping

折扣 22%

$344.87

$446.43

HOT BCD325P2 Handheld Trunktracker V Scanner. 25,000 Dynamically Allocated Channels. Close Call RF

Aliexpress

Free shipping

$285.00

Ds3578-Er Barcode 2D Wireless Bt Scanner Extended Range Usb - Zebra

eBay

$285.00

Ds3578-Er Barcode 2D Wireless Bt Scanner Extended Range Usb - Zebra

eBay

$34.98

$48.97

REALINN Wireless Barcode Scanner 2D QR Code Scanner USB Rechargeable 1D 2D Automatic Handhold Barcode Reader Cordless With USB R

hardclikk.com

折扣 28%

$34.98

$48.97

REALINN Wireless Barcode Scanner 2D QR Code Scanner USB Rechargeable 1D 2D Automatic Handhold Barcode Reader Cordless With USB R

hardclikk.com

$69.99

Labeltac Wireless 2D Barcode Scanner

Creative Safety Supply

$69.99

Labeltac Wireless 2D Barcode Scanner

Creative Safety Supply

What is RF? Basic Training and Fundamental Properties

13:13

YouTubeNXP Developer Zone

What is RF? Basic Training and Fundamental Properties

Everything you wanted to know about RF (radio frequency) technology: Cover "RF Basics" in less than 14 minutes! http://www.nxp.com/products/rf/ Chapters: 0:00 Introduction 00:15 Table of content 00:51 What is RF? 02:22 Frequency and Wavelength 04:16 Electromagnetic Spectrum 05:22 Power 06:04 Decibel (DB) 08:40 Bandwidth 10:18 RF Power + Small ...

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RF Scanner Tutorial