1. Get 51 Arduino STM32 microcontroller routine. 2. With a USB interface, you can watch the computer positioning effect directly phone line. 3. With the passive ceramic antenna and passive antenna amplifier, make better use of the individual effects. 4. With SMA interface can be directly connected to an active antenna SMA. 5. TTL level, compatible with 3.3V/5V systems.(Size: 39 x 25.5mm) 6. Frequency: 1575.42MHz 7. Features: Low electrode consumption. The system clock frequency is controlled by software to achieve a balance between system performance and power consumption, and it has also been widely used
