125kHz EM / HID / AWID Cloner aka. Blue Cloner
Chances are, if you do an internet search for RFID cloner, you will be bombarded with a plethora of cheap cloners, and a significant number of those will look like this
There are a few different versions available and they ALL look identical but with a wide range of prices, you might save a couple of bucks buying somewhere else but you don’t know what you are getting until you actually have it “in hand” 
SOURCE
Dangerous things, eBay, Amazon, Aliexpress…
CAPABILITY
125kHz EM41xx/EM4200, HID ProxCard II, and (AWID for DT version)
If you are in the market for one, get it from Dangerous Things, and here is why:-
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The Dangerous Things version has the AWID option whereas the others likely do not.
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Dangerous Things after-sales service is outstanding
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The product is a known entity
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We should be Supporting Dangerous Things
To be aware of:-
WARNING Due to inherent design limitations of T5577 chips, it is possible to “misconfigure” your product attempting to clone an ID to it over a bad magnetic coupling. For more information, please read this forum post for more information.
There are ways to minimise /mitigate this 
happening by using this
The "hot wire" blue cloner mod guide.
PROs
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Lightweight
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Compact
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Portable
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“Cheap”
CONs
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Limited to LF only
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Limited to EM41xx / EM4200, HID ProxCard II and (AWID DT Version only )
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Writes a password (not a major issue, just to be aware) ( how to remove password if required)
PRICE
$15 - $40
Summary:
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It does what it says on the box
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Although the Blue cloner writes a password to actually protect the chip, This looses one star due to not being able to opt-out
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There are “fixes” for the password on this forum.
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Limited of a handful of modes
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Limited writing range to xSeries, but Simple, fast and effective mods available
Rating by the community 
PLEASE ONLY VOTE IF YOU HAVE ONE OR HAVE USED ONE
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