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NBB-389
NBB-389 - is a lithium battery designed to charge portable marine GMDSS radios VHF band. Compatible with such JRC walkie-talkies as:
- JHS-7
- JHS-7E
- JHS-114
The capacity of the battery is 4800 mAh. The NBB-389 meets IMO requirements. A.802 (19), IMO. A.809 (19), and IMO. A.810 (19).
Specifications:
- Battery type - Lithium (Li, Lithium)
- Capacity - 4800 mAh
- Voltage - 9 V
- Dimensions - 8x8x5 cm
- Weight - 250 gr
- Compatibility - JRC JHS-7 / 7E / JHS-14
Available for order
Documentation:
Echo sounder
The echo sounder is a useful navigation aid. It transmits ultrasound pulses (> 20,000 Hz) and measures the period that elapses before the transducer registers the echo from the seabed.