Purchased from a working environment it works great.  I connected the receiver to a

a LOWRANCE LMS-240 and it function properly. (Please see pictures.)

 

For sale is the LOWRANCE LGC-12W GPS ANTENNA MODULE (ONLY)

THIS IS A BUY NOW SALE - NO NEED TO WAIT TILL THE END!

Oh,  there is an extension cord.  Just needs to be spliced together, I'll add it at no extra cost!

LGC-12W GPS MODULE
12-parallel channel
GPS receiver that
provides fast, strong satellite lock-ons,
precise tracking and postion updates
every second. Also provides selectable
WAAS reception for improved
position accuracy at select locations. Compatible with LMS-240,
GlobalMap® 2400 and upgraded LCX Series & GlobalMap® 3000
GPS Models.