* Maker: JOTRONS, MCMURDO, SAMYUNG

* Origin: EU, Korea

* Certification: VR, BV, LR, KR,…

* Specification: 

- Battery: Lithium metal, lifespan 5 years

- Material: Polycarbonate reinforced with glass

- Temperature range:

+, Operation: -20°C to +55°C (-4°F to +131°F)

+, Storage: -30°C to +65°C (-22°F to +149°F)-

-  Antenna: Omnidirectional

- Frequency: 121,500 MHz – 406.037 MHz

- Positioning device: 22-channel GPS receiver (60GPS)