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  Home >> Brand of Radio >> STANDARD HORIZON >> >> STANDARD HORIZON HX280S Submersible Handheld VHF Radio

STANDARD HORIZON HX280S Submersible Handheld VHF Radio [Comments(0)|Leave your Comment]
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STANDARD HORIZON HX280S Submersible Handheld VHF Radio


  • Submersible JIS-7 / IPX7 (3.3 feet for 30 minutes)
  •  Slim, form fitting case design
  • More than 13 hours of battery life
  • Selectable 5 and 1 Watt transmit power output
  • Supplied with a 1650mAh Lithium-ion battery, 110 VAC and 12 VDC chargers and a cradle
  • Huge channel display
  • All USA/International and Canadian Marine Channels
  • Programmable Scan, Priority Scan and Dual Watch
  • NOAA Weather channels and Weather Alert
  • Key lock
  • Squelch level on display
  • Low battery indicator
  • Preset key used to recall up to 10 favorite channels
  • Optional FBA-40 Alkaline Battery tray available
  • 3 Year Waterproof Warranty



Slim, form fitting case

Designed from the ground up to fit well in your hand and with large keys and volume knob it is easy to operate even with gloves.

1650mAh Lithium-ion battery

Supplied with a 1650mAh Li-Ion battery that will last for more than 13 hours on a single charge.

Value packaged with accessories

The HX280S is supplied with a Li-Ion battery, Antenna, belt clip, AC, DC chargers and charging cradle.

Advanced features

The HX280S includes the best of the basics and also advanced features: Programmable Scan, Dual Watch, Ch16 Priority Scan; NOAA weather channels with weather alert, selectable 5 and 1 Watt transmit power, 10-channel preset key and a battery life indicator.

It’s built better so backed better

Because the HX280S is built better, it’s back better. If your Standard Horizon HX280S ever fails for any reason including water damage during normal use in the first three years, STANDARD HORIZON will repair or replace it free, without hassle or charges…period! If it fails thereafter in normal use it for the life time of the product it is covered by Standard Horizon’s Lifetime Flat Rate Service Program.




ANT Jack (Top Panel)

The supplied CAT460 flexible antenna is attached here.


POWER Switch/VOLUME Control (VOL)

Turns the transceiver on and off as well as adjusts the speakers audio


Turn this knob clockwise to turn the radio on and increase the speakers

audio volume.

Turn fully counter-clockwise to turn the radio off.



When pushed activates the transmitter.


LCD Display

This display shows current operating conditions, as indicated on the page




[ SQL ] Key

Press this key to activate the squelch adjusting mode. Press the [] or []

key to adjust the squelch threshold level.

Press and hold this key for 3 seconds to open the squelch, allowing you to

monitor the operating channel. Release the key to resume normal (quiet)




The internal speaker is located here.



The internal microphone is located here.

When transmitting, position your mouth about 1/2 to 1 inch (1.2 ~ 2.5 cm)

away from the small mic hole. Speak slowly and clearly into the micro-



Battery Pack Lock (Bottom side)

Slide the Battery Pack Lock to the ” position for battery removal.




Performance specifications are nominal, unless otherwise indicated, and are

subject to change without notice.



Frequency Ranges:                   TX: 156.025 MHz - 157.425 MHz

                                                RX: 156.050 MHz - 163.275 MHz

Channel Spacing:                    25 kHz

Frequency Stability:                ±5 ppm

(–4 °F to +140 °F [–20 °C to +60 °C])

Emission Type:                      16K0G3E

Antenna Impedance:                  50Ω

Supply Voltage:                     7.4V DC, Negative Ground

(Battery Terminal)

Current Consumption:                320 mA (Receive, Typical at AF MAX.)

50 mA (Standby)

1.6 A / 0.7 A (TX: 5 W / 1W)

Operating Temperature:              –4 °F to +140 °F (–20 °C to +60 °C)

Case Size (W x H x D):              2.20” x 5.24” x 1.08” (56 x 133 x 27.5 mm)

(w/o knob & antenna)

Weight (Approx.):                   10.9 oz (310 g)

(w/FNB-V105LI, Belt Clip, & Antenna)



RF Power Output:                    5 W / 1 W (@7.4 V )

Modulation Type:                    Variable Reactance

Maximum Deviation:                  ±5 kHz

Spurious Emission:                  –75 dBc typical

Microphone Impedance:               2 kΩ



Circuit Type:                       Double-Conversion Superheterodyne

Intermediate Frequencies:           1st: 21.7 MHz, 2nd: 450 kHz

Adjacent Channel Selectivity:       70 dB typical

Intermodulation:                    68 dB typical

Hum & Noise Ratio:                  40 dB typical

Sensitivity:                        0.25 μV for 12 dB SINAD

Selectivity:                        25 kHz (–70 dB)

AF Output (Internal SP):            700 mW @16 ? for 10 % THD (@7.4 V)


                                  Measured in accordance with TIA/EIA-603



  • 1 x Standard Horizon HX-280S
  • 1 x FNB-V105LI 7.4V 1650mAh Li-ion battery 
  • 1 x  CT-46 Charger Cradle,  
  • 1 x  AC adapter (NC-88B for 110V / NC-88C for 220V) 
  • 1 x  CLIP-902 Quick Draw Belt Clip
  • 1 x  CAT460 Antenna,
  • 1 x  E-DC-19A Cable with Cigar Lighter Plug
  • 1 x  English manual

If bulk order, please contact Ms. Amy Huang:

Tel: 86(592)2653580

Fax: 86(592)3720556

SKYPE: amy.446shop



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