The wifi models are identical, but the LTE models have 2 different SKUs. One for US/JP, and the other for the 'Rest of the World'.

US/JP SKU supports LTE Bands: 2100(1), 1900(2), 1800(3), AWS 2100/1700(4), 850(5), 700(13), 700(17)
Rest of the World SKU supports LTE Bands: 2100(1), 1900(2), 1800(3), AWS 2100/1700(4), 850(5), 2600(7), 800(20)
(See Asus: Nexus 7 - Specifications.)

Global RRP of the Nexus 7 LTE are as follows:
US/JP Bands:
USD349 America (USD349)
~USD408 Japan (JPY39800)

Rest of the World:
~USD414 Malaysia via Storekini (MYR1299)
~USD421 Australia (AUD439)
~USD428 Singapore (SGD529)
~USD482 Italy (EUR349)
~USD484 UK (GBP299)