Product Documentation

Document	Pages	Notes
HX300 User Manual

Product

Parameter	Value	Description
Type	Transceiver	The radio can receive and transmit signals.
Width	59 mm	The distance between the left and right surfaces of the main body of the radio, excluding protrusions.
Height	128 mm	The distance between the top and bottom surfaces of the main body of the radio, excluding protrusions.
Depth	33 mm	The distance between the front and rear surfaces of the main body of the radio, excluding protrusions.
Weight	240 g	The mass of the main body of the radio, including the removable battery or removable front panel.
Operating Temperature	-20 to 60 °C	The range of temperatures in which the product is designed to be operated.
Liquid Ingress Protection	IPx8	The product is protected against the effects of continuous immersion in water.
Buoyant	Yes	The item will float in water.

Tuning System

Parameter	Value	Description
Dual Watch	Yes	The radio can monitor two frequencies at the same time.
Scan Types	Channel	The radio's tuning system can scan some or all of the channels programmed into its memory.
	Priority	The radio's tuning system can check prioritized channels more frequently while performing a channel scan.

Receiver

Parameter	Value	Description
Sensitivity Threshold	0.25 µV max	The magnitude of the smallest RF signal that a receiver can detect.
Adjacent Channel Selectivity	70 dB min	The ability of a receiver to discriminate between a desired signal and an undesired signal in an adjacent channel.
	-70 dB min
Intermodulation Rejection	68 dB min	The ability of a receiver to reject intermodulation products produced by the mixing of two or more signals at the input to the receiver.
FM Hum and Noise	-40 dB max	The frequency modulation present on an unmodulated carrier.
Intermediate Frequency	21.7 MHz
	450 kHz

Transmitter

Parameter	Value	Description
Marine Band	VHF	Marine VHF band (156.050 - 162.025 MHz)
Output Power	5 W max	The maximum RF power that a transmitter can produce, as reported by the manufacturer in product documentation.
Spurious Emissions	-75 dB max	Emission on a frequency or frequencies which are outside the necessary bandwidth.
Emission Type	16K0G3E	16 kHz occupied bandwidth, FM analog voice

Internal Speaker

Parameter	Value	Description
Power	600 mW max

Antenna Port

Parameter	Value	Description
Impedance	50 Ω

Battery

Parameter	Value	Description
Charge Capacity	1800 mAh	The amount of charge stored in a fully-charged battery.
Energy Capacity	6.66 Wh	The amount of energy stored in a fully-charged battery.
Type	Li-Ion	Lithium Ferrous Phosphate (LiFePO4)
Voltage	3.7 V	The nominal voltage of a battery.

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