Ubiquiti POE-48V 0.5A PoE Adapter in Kenya – 48V 24W PoE Injector

The Ubiquiti POE-48V 0.5A PoE Adapter is a Power over Ethernet injector designed to provide 48V DC power and Ethernet data through a single network cable to compatible networking equipment. At 48V and 0.5A, the adapter provides a nominal output capacity of 24W.

Ubiquiti currently offers two closely related 48V 0.5A versions: the POE-48-24W-G, which supports Gigabit Ethernet, and the POE-48-24W, which does not have a Gigabit LAN port. Both provide 48V DC at 0.5A, so buyers should pay attention to the complete model number when purchasing or replacing an injector. 

For modern network installations where the connected device supports Gigabit Ethernet, the POE-48-24W-G is generally the more appropriate version because the injector does not introduce a 100Mbps Fast Ethernet bottleneck. Ubiquiti's current specifications confirm Gigabit support, two-pair powering, integrated surge protection and a wide 100–240V AC input range for the G model. 

 

Ubiquiti POE-48V 0.5A Key Features

Feature	POE-48-24W-G
Product Type	48V PoE Adapter / Injector
Model	POE-48-24W-G
Output Voltage	48V DC
Output Current	0.5A
Nominal Output Power	24W
Ethernet	Gigabit
Powering	2-pair
Positive Pins	4, 5
Negative Pins	7, 8
AC Input	100–240V AC, 50/60Hz
Dimensions	92 × 60 × 33mm
Weight	159g
Efficiency	80%+
LAN Activity Indicator	No
Remote Reset	No
Reset Button	No
Surge Protection	Yes
Data / PoE Connectors	Shielded RJ45
AC Connector	IEC-320 C6
Operating Temperature	0°C to 40°C
Storage Temperature	-30°C to 70°C
Operating Humidity	35–95% non-condensing
Certifications	CE, FCC, IC, UL
NDAA Compliant	Yes

These specifications are from Ubiquiti's current technical documentation for the POE-48-24W-G. 

48V DC at 0.5A Output

The key electrical specification is:

48V DC @ 0.5A.

Using:

Power = Voltage × Current

we get:

48V × 0.5A = 24W

This explains the model designation POE-48-24W-G.

The 24W figure is the adapter's nominal output capacity. It does not mean every network device consuming less than 24W is automatically compatible.

Compatibility also depends on the required:

Voltage

PoE implementation

polarity

powering pairs

and Ethernet interface.

Gigabit Ethernet on POE-48-24W-G

One of the most important features of the POE-48-24W-G is its Gigabit Ethernet interface.

Ubiquiti explicitly specifies:

Gigabit LAN Port: Yes.

A network can therefore use:

Gigabit Router

↓

Gigabit Switch

↓

POE-48-24W-G

↓

Compatible Gigabit Ubiquiti Device

This allows the injector to supply power without intentionally limiting the Ethernet link to Fast Ethernet speeds.

POE-48-24W vs POE-48-24W-G

This distinction is especially important when purchasing the Ubiquiti 48V 0.5A injector.

Feature	POE-48-24W	POE-48-24W-G
Voltage	48V	48V
Current	0.5A	0.5A
Power	24W	24W
Gigabit Ethernet	No	Yes
Powering	2-pair	2-pair
Remote Reset	No	No
Reset Button	No	No
Surge Protection	Yes	Yes
Dimensions	88 × 57 × 33mm	92 × 60 × 33mm
Weight	135.5g	159g

Ubiquiti's current store documentation confirms that the POE-48-24W has no Gigabit LAN port, whereas the POE-48-24W-G does. 

Therefore, if the intended device has a Gigabit Ethernet interface, pay particular attention to the G suffix.

Why the G Version Matters

Suppose your network contains:

1Gbps Fibre

↓

Gigabit Router

↓

Gigabit Switch

↓

Non-Gigabit PoE Injector

↓

Gigabit Outdoor Radio

The injector can become the slowest Ethernet component in the path.

Using the POE-48-24W-G preserves Gigabit capability through the injector.

Actual application throughput still depends on the connected equipment, network configuration, cabling and upstream internet connection.

2-Pair Power Delivery

The POE-48-24W-G uses two-pair powering.

Ubiquiti specifies:

Pins 4 and 5 → Positive (+)

Pins 7 and 8 → Negative (-). 

Four-pair powering is not supported on this model.

This pin configuration is an important part of determining device compatibility.

Passive PoE and Compatibility

The Ubiquiti POE-48-24W-G is associated with passive PoE powering, so it should not automatically be treated as equivalent to an IEEE-negotiated PoE source simply because it provides 48V.

This distinction is important because Ubiquiti equipment spans several powering systems, including:

24V passive PoE

48V passive PoE

802.3af PoE

802.3at PoE+

802.3bt PoE++

An older Ubiquiti community explanation also describes the POE-48-24W-G as a passive device providing power on the relevant Ethernet pairs.

48V Passive PoE Is Not Automatically PoE+

A common mistake is assuming:

48V + 24W = PoE+

That conclusion should not be made.

PoE compatibility is not determined solely by voltage and wattage.

IEEE PoE standards can involve device detection, classification and power negotiation.

Therefore, if an access point specifically requires 802.3at PoE+, use a power source that Ubiquiti specifies as compatible with that access point.

Important PoE Safety Consideration

The powered output of a passive injector should only be connected to compatible equipment.

Do not casually connect the PoE output to:

Laptop Ethernet ports

Desktop computers

ordinary printers

non-PoE switches

or other equipment not designed to receive the injector's power.

The correct topology is:

Router / Switch

↓

LAN/Data Input

↓

POE-48-24W-G

↓

PoE Output

↓

Compatible Powered Device

The RJ45 connector being physically compatible does not mean the electrical requirements are compatible.

100–240V AC Input

The POE-48-24W-G accepts a wide AC input range:

100–240V AC at 50/60Hz. 

Ubiquiti specifies input current of:

0.6A at 120V AC

and

0.4A at 240V AC.

The adapter converts this mains input into the required 48V DC output.

A power cable is included according to Ubiquiti's current specifications, although plug type and package contents can vary by market or supplier. 

80%+ Efficiency

Ubiquiti rates the POE-48-24W-G at:

80%+ efficiency.

Its output ripple is specified at:

1% maximum.

Line regulation is:

≤3%

while load regulation is:

≤5%. 

These electrical specifications are part of Ubiquiti's published design parameters for the adapter.

Built-In Surge Protection

The POE-48-24W-G incorporates both difference-mode and common-mode surge protection. 

Ubiquiti specifies:

Maximum surge discharge: 1,500A using an 8/20μs waveform

and

Peak pulse current: 36A using a 10/1000μs waveform. 

Clamping protection is specified at:

11V for data

and

60V for power.

Response time is listed as:

less than 1ns.

Surge Protection for Outdoor Installations

Built-in injector protection is useful, but it should not be considered a replacement for a complete outdoor electrical-protection strategy.

For exposed Ethernet installations, consider appropriate:

Outdoor-rated Ethernet cabling

shielded cable

grounding

Ethernet surge protectors

cable routing

and lightning protection.

This is especially important when a connected radio is installed on a:

Rooftop

tower

mast

pole

or another exposed structure.

Shielded RJ45 Ports

Ubiquiti specifies shielded RJ45 sockets for the Data IN and PoE connections. 

Shielded connections can form part of a properly designed outdoor networking system when combined with compatible shielded Ethernet cable, grounding and surge-protection practices.

The injector itself should generally remain in an appropriate protected indoor environment because Ubiquiti specifies an operating temperature of 0°C to 40°C rather than an outdoor weatherproof enclosure rating. 

Compact Design

The Gigabit POE-48-24W-G measures:

92 × 60 × 33mm

and weighs approximately:

159g.

Its compact design allows installation near:

Routers

switches

UPS systems

network cabinets

and communications equipment.

It does not require a rack slot.

No Remote Reset

Unlike some Ubiquiti 24V injectors, the POE-48-24W-G does not support remote reset.

Ubiquiti specifies:

Remote Reset Capability: No

and

Reset Button: No. 

This is worth noting when comparing the 48V injector with certain POE-24 models that include reset functionality.

Ubiquiti POE-48V 0.5A vs POE-24V 0.5A

Although both may provide 0.5A, their voltage and total power are very different.

Specification	24V 0.5A	48V 0.5A
Voltage	24V	48V
Current	0.5A	0.5A
Power	12W	24W
Typical Model	POE-24-12W-G	POE-48-24W-G
Gigabit	Yes	Yes
Remote Reset	Yes	No
Reset Button	Yes	No

The 48V version provides twice the nominal wattage because:

24V × 0.5A = 12W

while:

48V × 0.5A = 24W.

Ubiquiti's documentation confirms these respective electrical ratings. 

Do Not Replace a 24V 0.5A Adapter with 48V 0.5A Without Checking

This is an important installation warning.

The fact that both adapters are rated 0.5A does not make them interchangeable.

A device designed only for:

24V DC

should not automatically be connected to:

48V DC.

The voltage is doubled.

Always check the exact powered-device specification before changing injector models.

POE-48-24W-G vs U-PoE

Ubiquiti also offers the newer U-PoE adapter, so the two products should not be confused.

Specification	POE-48-24W-G	U-PoE
Output Voltage	48V	48V
Output Current	0.5A	0.32A
Nominal/Class Power	24W	15W class
Gigabit	Yes	Yes
Powering	2-pair	2-pair

Ubiquiti's published PoE adapter datasheet confirms 48V @ 0.5A for POE-48-24W-G and 48V @ 0.32A for U-PoE-af. 

Again, the higher-current injector should not automatically be assumed to be the correct choice for every device.

POE-48-24W-G vs U-PoE+

U-PoE+ belongs to a different modern power class intended for compatible equipment requiring PoE+.

The POE-48-24W-G should therefore not be marketed simply as a substitute for U-PoE+.

For an access point that specifically requires PoE+, match it to the manufacturer-recommended PoE+ source.

POE-48-24W-G vs U-PoE++

The difference is even greater when compared with U-PoE++, which is designed for significantly higher-powered equipment.

A 24W passive injector cannot substitute for a device requiring a 60W-class PoE++ power source.

For high-powered UniFi equipment, always check the exact PoE requirement.

Ubiquiti POE-48V 0.5A for Outdoor Radios

The injector can be useful with compatible outdoor networking equipment that specifically supports its 48V powering arrangement.

A typical installation could be:

Indoor Router

↓

Gigabit Switch

↓

POE-48-24W-G

↓

Outdoor-rated Ethernet Cable

↓

Compatible Ubiquiti Radio

The injector can remain indoors while the remote radio receives data and electrical power over Ethernet.

Ubiquiti POE-48V for Point-to-Point Wireless Links

For compatible radios, a point-to-point deployment could use:

Building A

Router

↓

POE-48-24W-G

↓

Outdoor Radio

)))))))) Wireless Link ((((((((

Building B

Outdoor Radio

↓

Correct Compatible PoE Source

↓

Switch / Router

The exact injector used at each end should be selected according to the radio specification.

The fact that both radios are Ubiquiti products does not automatically mean they require 48V 0.5A.

Ubiquiti POE-48V for Access Points

The adapter may also be suitable for specific compatible Ubiquiti access points.

However, this should be checked model by model.

Modern UniFi APs can require:

PoE

PoE+

or other specific power classes.

Therefore, do not choose POE-48-24W-G simply because an AP's maximum power consumption is below 24W.

Its required PoE standard must also match.

Using POE-48V 0.5A with MikroTik

The injector's LAN side can operate behind MikroTik networking equipment.

For example:

Internet

↓

MikroTik Router

↓

Gigabit Switch

↓

POE-48-24W-G

↓

Compatible Ubiquiti Device

The router brand does not determine injector compatibility.

The important relationship is between the PoE output and the powered device.

Using POE-48V 0.5A with TP-Link

The same principle applies to TP-Link.

For example:

TP-Link Router

↓

TP-Link Gigabit Switch

↓

POE-48-24W-G

↓

Compatible Ubiquiti Device

The switch provides ordinary Ethernet data.

The injector then adds the required electrical power.

Using Ubiquiti POE-48V with Starlink

The injector can be incorporated into a Starlink-based network:

Starlink

↓

Router / Gateway

↓

Gigabit Switch

↓

POE-48-24W-G

↓

Compatible Ubiquiti AP or Radio

The injector powers the downstream Ubiquiti equipment.

It does not increase the internet bandwidth supplied by Starlink and should not be assumed to be a suitable replacement for the Starlink dish's own power system.

Using Ubiquiti POE-48V with Fibre Internet

A fibre network could use:

Fibre ONT

↓

Router / Firewall

↓

Non-PoE Gigabit Switch

↓

POE-48-24W-G

↓

Compatible Ubiquiti Device

This is one of the strongest use cases for an individual injector.

You can retain an existing non-PoE switch and add power only where it is needed.

Ubiquiti 48V PoE Adapter vs PoE Switch

Feature	POE-48V Adapter	PoE Switch
Best for	One/few compatible devices	Multiple devices
Dedicated power	Yes	Shared PoE budget
Non-PoE switch required?	Can work with one	No
Cabling at scale	More adapters/cables	Cleaner
Centralized power	Limited	Yes
Scalability	Limited	Better
Cost for one device	Often practical	May be unnecessary

For a single compatible device, an injector can be economical.

For several access points, cameras and other powered devices, a suitable PoE switch usually produces a cleaner network.

Advantages of Ubiquiti POE-48V 0.5A

The POE-48-24W-G provides a useful combination of 48V DC output, 0.5A current capacity, 24W nominal output, Gigabit Ethernet, compact dimensions and built-in surge protection. 

Its wide 100–240V AC input also makes it practical across different electrical environments.

For installations with only one compatible PoE-powered device, it can avoid the cost and complexity of replacing an otherwise adequate non-PoE switch.

Limitations of Ubiquiti POE-48V 0.5A

The adapter has several limitations that should be understood before purchasing.

It provides only 24W, uses two-pair powering, and does not provide remote reset. 

More importantly, it should not be treated as a universal 48V injector for every UniFi or third-party PoE product.

Newer equipment requiring specific IEEE PoE+, PoE++ or higher-power standards should be matched with the correct compatible power source.

Who Should Buy the Ubiquiti POE-48V 0.5A?

The adapter is particularly relevant for:

Network installers

WISPs

business networks

wireless bridge installations

replacement of an existing matching POE-48 adapter

compatible Ubiquiti radios

compatible Ubiquiti access points

and networks using non-PoE switches.

The Gigabit POE-48-24W-G is especially useful where both 48V 0.5A power and Gigabit Ethernet are required.

Ubiquiti POE-48V 0.5A Price in Kenya

Ubiquiti's current U.S. store lists the POE-48-24W-G, but international manufacturer pricing should not be treated as Orbitlink Solutions' Kenya selling price.

Kenya pricing can vary depending on exchange rates, freight, taxes, supplier, warranty arrangements and local stock.

Contact Orbitlink Solutions for the current Ubiquiti POE-48V 0.5A price and stock availability in Kenya.

When requesting a quotation, provide the exact model of the equipment you intend to power so the appropriate injector can be confirmed.

Why Buy Ubiquiti POE-48V 0.5A from Orbitlink Solutions?

The key to purchasing a PoE injector is matching it to the powered device, rather than simply matching the brand. Ubiquiti produces equipment using several different PoE systems, so a 24V adapter, 48V 0.5A adapter, U-PoE, U-PoE+ and U-PoE++ should not be considered interchangeable.

The complete model number also matters. If the network requires Gigabit Ethernet, the POE-48-24W-G should be distinguished from the non-Gigabit POE-48-24W. Both provide 48V at 0.5A, but Ubiquiti specifies Gigabit connectivity only on the G model. 

Orbitlink Solutions can help match the adapter with compatible Ubiquiti networking equipment, routers, switches, Ethernet cabling, surge protection and related networking accessories.

Watch the Ubiquiti POE-48V 0.5A Video

The 48V 0.5A specification translates to a nominal 24W output, making this injector substantially different from a 24V 0.5A model, which provides only 12W. This illustrates why amperage alone cannot be used to identify a replacement PoE injector. Voltage, power, pin arrangement and the device's supported PoE implementation all matter.

For networking performance, the distinction between POE-48-24W and POE-48-24W-G is equally important. Ubiquiti's current specifications identify the G version as Gigabit-capable, whereas the non-G model does not have a Gigabit LAN port.  A Gigabit injector is therefore preferable when the compatible radio or access point has a Gigabit uplink and the surrounding network can exceed 100Mbps.

The adapter's integrated surge protection adds another layer of protection, but exposed outdoor installations still require proper network design. Grounding, outdoor-rated cabling and appropriate surge protection should be considered when Ethernet leaves the building or connects to equipment mounted on rooftops, masts and towers.

Frequently Asked Questions About Ubiquiti POE-48V 0.5A

What is the Ubiquiti POE-48V 0.5A?

It is a 48V PoE injector designed to provide power and Ethernet connectivity to compatible network devices. The Gigabit model is POE-48-24W-G. 

What voltage does it output?

48V DC.

What current does it output?

0.5A. 

How many watts is 48V 0.5A?

Nominally 24W, because 48 × 0.5 = 24.

Is POE-48-24W-G Gigabit?

Yes. Ubiquiti specifies a Gigabit LAN port.

Is POE-48-24W Gigabit?

No. Ubiquiti's current specifications list the non-G POE-48-24W without a Gigabit LAN port. 

What is the difference between POE-48-24W and POE-48-24W-G?

Both output 48V at 0.5A, but the G version supports Gigabit Ethernet.

Does it support remote reset?

No. 

Does it have a reset button?

No. 

Does it have surge protection?

Yes. Ubiquiti specifies difference- and common-mode surge protection. 

What Ethernet pins carry power?

Pins 4 and 5 are positive, while 7 and 8 are negative. 

Does it use four-pair powering?

No. It uses two-pair powering. 

What input voltage does it accept?

100–240V AC at 50/60Hz. 

What are its dimensions?

The POE-48-24W-G measures approximately 92 × 60 × 33mm. 

How much does it weigh?

Approximately 159g.

Is the power cable included?

Yes, according to Ubiquiti's current technical specifications. 

Can I replace a 24V 0.5A adapter with this 48V 0.5A adapter?

Not unless the powered device explicitly supports 48V. The two adapters provide different voltages and total power.

Is it the same as U-PoE?

No. POE-48-24W-G outputs 48V at 0.5A, whereas Ubiquiti's published U-PoE-af specification is 48V at 0.32A.

Is it the same as PoE+?

Do not assume so. A device explicitly requiring standards-based PoE+ should be matched with an appropriate PoE+ power source.

Can I use it with any Ubiquiti access point?

No. Check the exact access point's voltage and PoE requirements.

Can I use it with Ubiquiti outdoor radios?

Yes, where the exact radio explicitly supports this 48V 0.5A powering arrangement.

Can it work with MikroTik routers?

Yes. The LAN side can connect to normal MikroTik Ethernet equipment; the powered device must still be compatible with the injector.

Can it work with TP-Link switches?

Yes. A standard TP-Link Ethernet switch can provide the data connection to the injector.

Can it be used with Starlink?

Yes, to power a compatible downstream network device. It does not increase Starlink speed or replace the Starlink dish's own power system.

Can it be used with fibre internet?

Yes. The WAN technology does not determine injector compatibility.

Does the injector increase internet speed?

No. It supplies electrical power and passes Ethernet traffic.

Which should I choose: POE-48-24W or POE-48-24W-G?

For a compatible device requiring Gigabit connectivity, choose the POE-48-24W-G. The non-G model lacks a Gigabit LAN port. (Tech Specs)

What is the Ubiquiti POE-48V 0.5A price in Kenya?

Contact Orbitlink Solutions for the current exact-model price and stock availability.

Buy Ubiquiti POE-48V 0.5A in Kenya

The Ubiquiti POE-48-24W-G is a compact 48V PoE injector providing 0.5A current, 24W nominal output, Gigabit Ethernet, two-pair power delivery and integrated surge protection. It is useful for compatible Ubiquiti equipment where an individual power injector is preferable to installing or replacing a PoE switch. 

For replacement installations, check the complete model carefully. The POE-48-24W and POE-48-24W-G both provide 48V at 0.5A, but only the G model provides Gigabit Ethernet. Compatibility with the receiving device should always be verified before applying passive PoE power.

Contact Orbitlink Solutions

Orbitlink Solutions
Lyric House, 7th Floor, Room S9, Kimathi Street, Nairobi
Call / Text / WhatsApp: +254 743 720 551
Email: info@orbitlinksolutions.co.ke
Alternative Email: orbitlinksolutions@gmail.com
Opening Hours: Monday–Saturday, 9:00 AM–6:00 PM
Availability: Nairobi pickup and nationwide delivery

 

Contact Orbitlink Solutions for the current Ubiquiti POE-48V 0.5A / POE-48-24W-G price in Kenya, stock availability and assistance matching the correct injector with your Ubiquiti access point, radio or network installation.