UPDATE 1-3i Infrastructure joins bidders for Antin's FPS Towers - sources
* Antin hoping to raise 1 bln euros from the deal - sources
* American Tower, Spain's Cellnex among 10 bidders - sources
* Antin expects final offers in December - sources
* JP Morgan advises Antin on the sale - sources (Adds deadline for final offers, background)
By Sophie Sassard and Gwénaëlle Barzic
LONDON/PARIS, Oct 24 (Reuters) - 3i Infrastructure said on Monday it had bid for French telecoms masts business FPS Towers, which owner Antin hopes could raise up to 1 billion euros, as it seeks to build its UK-focused Wireless Infrastructure Group into a European platform.
Antin Infrastructure Partners is working with financial adviser JP Morgan on the sale, which could fetch up to 1 billion euros ($1.1 billion), several sources told Reuters, adding that American Tower Corp and Spain's Cellnex are also among around 10 bidders.
Telecoms towers have become increasingly attractive to investors as they are typically valued at very high multiples, up to 19 times earnings before interest, tax, depreciation and amortisation (EBITDA), while producing steady revenues.
Debt-burdened telecoms operators have been selling their towers in order to invest in their networks and channel more data, more quickly to their customers. Suite...