Enquire: Asia & Africa - +65-98008081 USA - +1-919-995-4114
Laptop
Laptop

Laptop Screen

Monitor
Monitor
Printer and Scanner
Printer and Scanner

Printer Accessories

Computer Peripherals
Computer Peripherals

Mounts, Stands & Racks

Desktop
Desktop

Workstations

Mobiles & Tablets
Mobiles & Tablets
Adapters & Cables
Adapters & Cables
Services & Supports
Services & Supports
Barcode Scanners & Mobile Computers
Barcode Scanners & Mobile Computers
Security Software
Security Software
MTP/MPO Fiber Cables
MTP/MPO Fiber Cables

MTP/MPO Trunks Hot

MTP/MPO Harnesses

MTP PRO Trunks

MTP/MPO Conversions

MTP/MPO Cables Custom Hot

Fiber Patch Cables
Fiber Patch Cables

OS2 Single Mode Hot

OM5 Multimode

OM4 Multimode Hot

OM3 Multimode

OM1/OM2 Multimode

Patch Cables Custom

Specialty Fiber Cables
Specialty Fiber Cables

Armored Cables Hot

Industrial Cables Hot

High Density Cables

FTTA Cables

Multifiber Cables

Mode Conditioning Cables

PM Cables

Fiber Pigtails
Fiber Pigtails

12 Fibers Pigtails Hot

Simplex Pigtails Hot

Pigtails Custom

Fiber Optic Cleaners
Fiber Optic Cleaners

Pen Cleaners Hot

Sticks

Reel Type Cleaners

Accessories
Accessories

Fiber Adapters Hot

PLC Splitters Hot

Fiber Attenuators Hot

Fiber Connectors

Fan-Out Kits

Splice Closures

Fiber Loopbacks

Cameras & Surveillance
Cameras & Surveillance

Digital Cameras

Film Cameras

IP Camera - Wifi Spy Camera

Hidden Cameras

Mini Cameras

Action Camera

Scanner Camera

Wireless Camera

Explosion Protected Camera

Fixed Box Camera

Security Cameras

Video Recorders

Video Storage

Display & Control

Access Control

Accessories

Network Antennas
Network Antennas
Networking Cards
Networking Cards
Hardware Firewalls
Hardware Firewalls
Wireless
Wireless

License

Accessories

Indoor Access Points

Outdoor Access Points

Wireless Controllers

Airware Cloud

Wi-Fi Routers

Network Switches
Network Switches

License

Network Switch Accessories

Switch Modules & Line Cards

Wired Routers
Wired Routers
Gateways/controllers
Gateways/controllers
Media Converters, Extenders
Media Converters, Extenders

Copper to Fiber Media Converters Hot

Media Converter Chassis

PoE Extenders

Modems
Modems
PoE Adapters
PoE Adapters
Smart Power Socket
Smart Power Socket
Repeater
Repeater
Wireless Adapter
Wireless Adapter
USB Hubs
USB Hubs
Sensor
Sensor
wireless routers
wireless routers

License

Network Adapter
Network Adapter

Mellanox NICsHot

InfiniBand Adapters

QLogic FC HBAs

Intel%AE/Intel Based NICsHot

Mobile Wi-Fi Hotspots
Mobile Wi-Fi Hotspots
Transceiver
Transceiver
Networking Accessories
Networking Accessories

Network Software Licenses

Network Audio
Network Audio

Network Speaker

Satellite Radios
Satellite Radios
Servers & Storage
Servers & Storage

Rack Servers

Tower Servers

High-Density Servers

Data Storage

KVM Switches

KVM Extenders

Storage Array Modules

Power
Power

UPS Systems

Auto Transfer SwitchNew

Basic Rack PDUs

Metered Rack PDUs

Monitored Rack PDUs

Switched Rack PDUs

Power Cords

Hospital-Grade Power Cords

Router, Security, NPB
Router, Security, NPB

Routers

Firewalls

Network Packet Brokers

Fiber TAPs

Conferencing, Phones
Conferencing, Phones

Conference Cameras

Webcams & Headsets

Speakerphones

Interactive Displays

IP Phones

IP PBXs

Telephony Cards

VoIP Gateways

Wireless & Access
Wireless & Access

50G SFP56 for 5G Wireless

25G SFP28 for 5G Wireless

10G SFP+ for 4G Wireless

GPON Hot

XGSPON Ho

XGPON & XGPON Combo New

EPON & 10G EPON New

Wireless & Access Custom Hot

XGSPON Combo

100/200/400/800G Modules
100/200/400/800G Modules

800G QSFP-DD/OSFP

400G QSFP-DD/OSFP

200G QSFP-DD/QSFP56

100G QSFP28 Hot

Industrial 100G QSFP28

Converter/Fibre Channel

100/200/400/800G Custom

10/25/40G Modules
10/25/40G Modules

10G SFP+ Hot

40G QSFP+ Hot

25G SFP28 Hot

25G BiDi SFP28

25G CWDM/DWDM SFP28

10G BiDi SFP+

10G CWDM/DWDM SFP+ Hot

Converter/Fibre Channel

10/25/40G Custom

1/2/4G Modules
1/2/4G Modules

2.5G SFP

1G SFP Hot

1G BiDi SFP Hot

1G CWDM/DWDM SFP

100M SFP

1G SONET/SDH SFP

Fibre Channel

1/2/4G Custom

Optical Transmission
Optical Transmission

10G CWDM/DWDM SFP+ Hot

25G CWDM/DWDM SFP28

100G DWDM QSFP28

1G CWDM/DWDM SFP

Coherent 200/400G DWDM Hot

Optical Transmission Custom

Data Center
Data Center

200/400/800G QSFP-DD

50/100G QSFP28

40G QSFP+

25G SFP28

10G SFP+ Hot

InfiniBand

Mellanox NICs Hot

Intel AE/Intel Based NICs Hot

DAC/AOC/AEC Cables
DAC/AOC/AEC Cables

800G DAC/AOC

200/400G DAC/AOC/AEC

100G DAC/AOC Hot

50/56G DAC/AOC

40G DAC/AOC Hot

10/25G DAC/AOC Hot

1G DAC

DAC/AOC/AEC

Others
Others

FS BOX Hot

SDI Modules

Loopback Modules

100G CFP/CFP2/CFP4

10G XFP/X2/XENPAK Hot

Accessories

Fiber Optic Panels
Fiber Optic Panels

LC Fiber Optic Panels

SC Fiber Optic Panels

ST Fiber Optic Panels

MTP/MPO Fiber Optic Panels

MDC Fiber Optic Panels

Multimedia Copper/Fiber Panels

Fiber Optic Cassettes
Fiber Optic Cassettes

MTP/LC/SC/MDC Cassettes Hot

MTP Conversion Cassettes

MTP Mesh Cassettes

LC Splice Cassettes

TAP Cassettes

Fiber Optic Enclosures
Fiber Optic Enclosures

Rack Mount Hot

Wall Mount

Accessories

Cable Management
Cable Management

Cable Managers Hot

Convoluted Tubing

Cable Ties

Cable Labels

Label Printers & Accessories

Racks & Cabinets
Racks & Cabinets

Server Cabinets Hot

Wall Mount Cabinets

Network Cabinets

Open Frame Racks

Accessories Hot

Enterprise Switches
Enterprise Switches

1/2.5G Enterprise SwitchesHot

10G Enterprise SwitchesHot

25G Enterprise Switches

40G Enterprise Switches

100G Enterprise Switches

Modular Enterprise Switches

Accessories

PoE+ Switches
PoE+ Switches

1G PoE+ SwitchesHot

2.5/5G PoE+ Switches

10G PoE+ Switches

25G PoE+ Switches

Accessories

Data Center Switches
Data Center Switches

10G Data Center SwitchesHot

25G Data Center SwitchesHot

40G Data Center SwitchesHot

100G Data Center SwitchesHot

400G Data Center Switches

Modular Data Center Switches

InfiniBand Switches

Accessories

Small Business
Small Business

1G SMB Switches

2.5G SMB Switches

5/10G SMB Switches

Accessories

Industrial Ethernet Switches
Industrial Ethernet Switches

1G Industrial Switches Hot

2.5G Industrial Switches

10G Industrial Switches

Accessories

Router, Security, NPB
Router, Security, NPB

Routers

Firewalls

Network Packet Brokers

Cooling Solutions
Cooling Solutions
Fiber Testers
Fiber Testers

OTDR Hot

Fiber Inspection

Power Meters Hot

Fault Locators Hot

Light Sources Hot

Optical Multimeters

Fiber Identifiers

Optical Talk Sets

Fiber Optic Tools
Fiber Optic Tools

Fiber Tool Kits Hot

Fiber Cleavers Hot

Fiber Polishing

Fiber Strippers

Fiber Slitters

Fiber Cutters

Fiber Optic Cleaners
Fiber Optic Cleaners

Pen Cleaners Hot

Sticks&Wipes

Reel Type Cleaners

Copper Tools
Copper Tools

Network Tool Kits Hot

Punch Down Tools

Cable Strippers Hot

Copper Testers
Copper Testers

Cable Testers Hot

Cable Qualifiers Hot

Cable Certifiers

Access Networks
Access Networks

FMT Series Hot

M6200 Series Hot

MS8100 Series

Data Center Interconnect
Data Center Interconnect

M6500 Series

M6800 Series

DCP Series Hot

NX N40 Series

PON Networks
PON Networks

GPON & EPON OLT Hot

GPON & EPON ONT/ONU Hot

ODN

PON Transceivers

Passive Components
Passive Components

PLC Splitters Hot

Fiber Attenuators Hot

FWDM Filters

xWDM/xPON

Splice Closures

Transceivers
Transceivers

200G/400G CFP2 Hot

100G QSFP28 Hot

25G CWDM/DWDM

10G CWDM/DWDM Hot

1G CWDM/DWDM

Open Line System
Open Line System

Optical Amplifiers Hot

Dispersion Compensation

Fiber Monitoring

Optical Protection

DWDM Open Line System

Chassis & Accessories

Mux Demux & OADM
Mux Demux & OADM

DWDM Mux Demux Hot

CWDM Mux Demux Hot

DWDM/CWDM OADM

Custom Mux Demux & OADM

Chassis & Accessories

Transponders & Muxponders
Transponders & Muxponders

1G/10G/25G Transponder

100G/200G/400G Transponder

10G/200G/400G Muxponder

Chassis & Accessories

Home Networking Power Cisco AIR-PWRINJ4 Gigabit PoE Power Injector

Cisco AIR-PWRINJ4 Gigabit PoE Power Injector

Brand:
Cisco

The Cisco AIR-PWRINJ4 Power Injector delivers reliable Gigabit Power over Ethernet (PoE) connectivity for Cisco wireless access points and enterprise network devices. Designed for stable power transmission and seamless deployment, it is ideal for business Wi-Fi installations, office networking, and commercial infrastructure in Singapore.

View Ratings :  

OVERVIEW

  • The Cisco AIR-PWRINJ4 Power Injector is a reliable Power over Ethernet (PoE) solution designed to deliver both data and power to Cisco Aironet wireless access points using a single Ethernet cable. Ideal for deployments where PoE-enabled switches are unavailable, this injector simplifies installation while ensuring stable and efficient power delivery.
  • Supporting multiple Cisco Aironet AP series including 1140, 1250, 1260, 3500, 1600, 1700, 2600, 2700, 3600, and 3700, the AIR-PWRINJ4 offers flexibility and compatibility across enterprise wireless networks. It converts standard AC input into DC output and transmits it over Cat5 (or higher) Ethernet cables, enabling seamless AP operation without additional power infrastructure.
  • This compact and efficient injector is perfect for offices, warehouses, campuses, and remote deployments where scalability and simplicity are essential.

USE CASES

  • Cisco wireless access point deployment
  • Enterprise office Wi-Fi installations
  • Retail and shopping mall networking
  • Educational campus wireless infrastructure
  • Hospitality and hotel internet deployment
  • Warehouse and logistics network expansion
  • SMB and enterprise network upgrades

KEY FEATURES

  • Provides Power over Ethernet (PoE) for Cisco Aironet access points
  • Supports multiple AP series (1140 to 3700 models)
  • Delivers up to 15.4W power output
  • Combines data + power over a single Ethernet cable
  • Works with Cat5 or higher network cables
  • Compact, plug-and-play design for easy deployment
  • Ideal for environments without PoE switches
  • LED indicators for power and status monitoring
  • Enterprise-grade reliability and performance

TECHNICAL SPECIFICATIONS

  • Brand: Cisco 
  • Model: AIR-PWRINJ4
  • Product Type: PoE Injector
  • Input Voltage: 100–240V AC
  • Output Voltage: 56V DC
  • Power Output: 15.4W
  • Current: 0.55A
  • Interface: RJ-45 (LAN & Device)
  • Data Speed: 10/100/1000 Mbps
  • Cable Type: Cat5 or higher
  • Operating Temp: 0°C to 40°C
  • Storage Temp: -20°C to 70°C
  • Humidity: 10%–90% (non-condensing)
  • Dimensions: 1.34 x 8.19 x 4.02 inches
  • Certifications: CE, UL, FCC, RoHS
  • Compatibility: Cisco Aironet AP Series (1140–3700)

CUSTOMER REVIEW

"In field deployments, this injector is very practical when PoE switches are not available. It works well with Cat5e cabling and maintains consistent power over long operational hours. No manual configuration needed, which saves time during installation."

Ellie
"I needed a simple solution to power my Cisco access point without investing in a PoE switch. This injector solved the problem perfectly. It was plug-and-play and worked immediately. WiFi coverage improved and the device has been running continuously without any issue."

Debra

FAQ

No FAQs Found