That looks like a nice setup and I think not a bad deal. I misunderstood, your original question I though you had decided the radio and yet to choose the aerial. The package you picked has an Ok mid range aerial, so I would go with that deal. Personally I prefer ICOM, but GME are pretty good radios. The key thing with the supplied aerial is that it is suitable for mounting on bull bars. this means it does not need a ground plane like many roof mounted aerials for best performance and also it is tuned to that radio and cable supplied with radio.@yabbietol... with that link posted, is there any reason why I would have both antennas? Would I swap them over? Install both?
Through that website I found this pack which I reckon seems like decent value:
http://www.prestigecom.net.au/gme-electrophone-tx3345-uniden-at870-antenna-pack
A nice little kit, do not shorten the cable or add extra cable as otherwise the aerial will need retuning, just use the cable supplied and it should work well.
The link I posted earlier has two whips for the aerial base a 6db and 3db, normally I just leave the higher gain (6db) on most of the time and the 3db is kept in the glove box as a spare if the other one is stolen or broken. So no need to swap over in normal use. I also have a much longer high gain UHF whip for longer ranges in remote areas, but only use it rarely, it is also too tall to fit in my garage when fitted so mostly use the 6db whip unless way out bush.
Hope this helps
Regards
Terry