Thanks for your help, that's the advice I needed.
Cheers!
unzip chr-6.44.5.img.zip | dd of=/dev/sda bs=1M
unzip chr-6.44.5.img.zip | dd if=chr-6.44.5.img of=/dev/sda bs=1M
Thank you! That makes sense. I appreciate the help.There is a difference when using 802.11 or nv2 wireless protocol. nv2 allows a longer radio name