Thank to local distributor of Pulse GPS chip antenna !
New variant of uTracker with 4x4 mm GPS antenna pass to designed phase.
Preliminary design of uTracker V2 with 34 x 20.5 x 7 mm below.
Also no Python now - based on ATMega168/328 (Arduino IDE) with accelerometer and flash memory 32/64 mbit to save waypoints.
GSM part build on G100/G200 module from U-Blox and GPS on AMY-5M.
One emergency button and 2 LED (highlight).
External microhone and speaker for voice calls.