Home PRODUCTS Introduction GPS Chipsets GPS Modules GLONASS/GPS Modules Special applications GLONASS/GPS Modules 25mm x 25mm SkyTraq introduces a compact 25mmx25mm, high-performance low-power GLONASS/GPS receiver. It is compatible to a popular 25mmx25mm-sized GPS receiver model, user can use it as direct drop-in replacement to upgrade their existing GPS product into a high performance GLONASS/GPS product instantly without any hardware redesign effort; just needing to use a GLONASS/GPS antenna instead. Product Brief