SparkFun Tube - Aluminum (3/8"OD x 10"L 0.30"ID) Tubing GPS & Navigation you can maximize range by

you can maximize range by increasing the transmit power and reducing the data rate

This is a simple 5mm LED with an interesting array of applications

Base type: GU10

If you are not comfortable doing this

and let’s face it: sometimes you want quantity over quality

SparkFun Tube - Aluminum (3/8"OD x 10"L 0.30"ID) Tubing GPS & Navigation you can maximize range byThese 10" long aluminum tubes have an outer diameter of 3 8", an inner diameter of 0. 30", and a wall thickness of 0. 035". When used with the mating tube clamps, these can be used for versatile structural support. Additionally, wires and cables can easily be run through the center. Dimensions: Length 10. 0" OD 3 8" ID 0. 30" Width 0. 035"