QYT M-898 25w VHF marine radio

QYT M-898 is a VHF maritime radio, which has IP67(1 Meter Depth for 30 Minutes) and float function.

This marine radio can be used in harsh environments such as heavy rain, waves, humidity, salt spray, which also has a certain impact-resistant function.



Maritime radios are also commonly known as "water full frequency radios" or "marine type radios". The maritime radio is essentially a two way radio, there are handheld walkie-talkies and ship-borne radios(similar to vehicle mounted radio). As a professional VHF marine radio designed for maritime applications, it needs to meet some characteristics of maritime applications.

Channel Group Selection

The transceiver is pre-programmed with 59 U.S.A., 59 international and 63 Canadian channels. These channle groups may be specified for the operating area.

Channel Selection

1.Channel 16

Channel 16 is the distress and safety channel. It is used for establishing initial contact with a station and for emergency communication. Channel 16 is monitored during both Dual-watch and Tri-watch.  While standing by, you must monitor Channel 16.

2.Channel 9

Each regular channel group has a separate leisure-use call channel(Channel 9; default). The call channel is monitored during Tri-watch.


    Caution

  • Never use the Distress call when your ship or a person is not in an emergency
  • Do not use or place the transceiver in areas with hear, humidity and dust.
  • The working voltage for the transceiver is 13.8V. If the power source is 24V, please use a power converter(24V convert to 13.8V), or the transceiver won't work.
  • Never directly connect to AC220V, this will ruin the transceiver if an abnormal odor or smoke is detected coming from the transceiver, turn off the power immediately.
  • Do not transmit before connecting the antenna, this will ruin the transceiver.


Specification


Frequency coverage

TX: 156.025-157.425 MHz RX: 156.050 -163.275 MHz

Mode

FM (16K0G3E) DSC (16K0G2B)

Frequency stability

± 10ppm

Operating temperature range

-20°C ~ +60°C

Antenna impedance

50Ω

Dimensions (W×D×H)

153mm×152mm×67mm

Weight (main unit)

742g (with microphone)


Transmit


Output power

25W / 1W

Max. frequency deviation

±5.0 kHz

Spurious emissions

≤-70dB (H) ≤-56dB (L)

Adjacent channel power

≥70dB

Audio harmonic distortion

≤10%

Current drain

≤5.5A (H) ≤1.5A (L)

Input resistance

2kΩ


Receive


Sensitivity

≤0.2uV

Squelch sensitivity

≤0.2uV

Adjacent channel selectivity

≥70dB

Spurious response rejection ratio

≥70dB

Intermodulation rejection ratio

≥70dB

Audio output power

≥4.5W (10%)

Audio Distortion

 ≤5%




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