MOD-GPS is back in stock and got better. Now uses Ublox 7 chipset with 56 channel receiver, better sensitivity -162dBm, better voltage operation 2.7-5.0V. Less power consumption 38 mA typical and beside GPS it now supports also GLONASS standard.
comes with same magnet type antenna:
and now you can safely connect it to OLIMEXINO-328 (Arduino 5V board)!