I am selling here my used MaxSonar;

it is a LV-MaxSonar-EZ 3 or 4 (I am not sure; it is the one which has a yellow/orange dot on the back)

included is the Maxbotic sonar mount for Arducopter v1.0
a new 3 pin sonar cable
and a three pin conn header male, straight

(see picture)

all for 25 Euro or 36 Dollars including shipping (no insurance or tracking / worldwide)
payment via paypal

send me a private message if interested :)

Felix