I was lucky enough to get early access, and this allowed me time to do some testing.
New Midwest Gadgets products from Hammys Post here
60mm (2.3in) NFC Extenders
INTRODUCTION
3 connector options, 3 different lengths of cable
JST
IPEX (U.FL)
SMA
( or roll your own )
SMA with shielded coax
60mm diameter, the SMA adds 10mm height
2 pin jst with twin gauge wire
60mm diameter, the Molex adds 6mm height
Ipex 60mm diameter, the IPEX adds a “fuck all height”
No photo available
TESTING INCLUDING READ RANGES
THESE ARE DESIGNED AS EXTENDERS NOT REPEATERS
However there are some noticeable range improvements
SMA Testing
Baseline ( Flipper vs. xLED )
Naked = 10mm
SMA extender = 20mm
Baseline ( Flipper vs. FLEX)
Naked = 30mm
SMA extender = 30mm
JST Testing
The large,\ antenna is not designed for an xSeries, therefore it should be expected to work for xSeries, however it does work well for Flex implants
Baseline ( Flipper vs. xLED)
small antenna ~50% range increase
Naked = 10mm
Small antenna = 15mm
Baseline ( Flipper vs. FLEX)
20mm for flex on small antenna
30mm on large antenna
IPEX Testing
No testing carried out
TEARDOWN
N/A
JST, are keyed, Make sure you plug them in correctly and fully, when unpluging, do so carefully without applying pressure to the solder joints
SMA , ensure they are not loose, finger tight should be enough, or tighten lightly with a small spanner
IPEX, line up correctly before pushing down, to remove, pry lightly and pull stright up.
PROs
• Allows remote (extended) access to an antenna
• 2 different form factors
• Works well with xSeries AND Flex implants ( with the appropriate antenna )
• Does what it says on the tin
• Opens up options for difficult locks
CONs
“HACKS”
PRICE
USD$45
SUMMARY:
Great product for difficult to access readers or adding a second reader location
LINKS AND RESOURCES
POLL
Rating by the community 
PLEASE ONLY VOTE IF YOU HAVE ONE OR HAVE USED ONE
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