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Radio Buoys (Sel-Call Buoys)

ITEM TYPE

L-C1,M-C1
(Sel-Call Buoys)

KTR-20
(Sel-Call Buoys)

NS-100CL
(Sel-Call Buoys)

Antenna power 

3-10w

3-10w

3-10w

Frequency 

1605-2850KHZ

1605-2850KHZ

1605-4000KHZ

Type of emission

A1A

A1A

A1A

Effective range

L-150 KM.M-50KM

220KM

220KM

Receiving sensitivity

Below 5 dB

Below 5 dB

Below 5 dB

Call selection system

4 tone signal series

4 tone signal series

4 tone signal series

Receiving system

Super heterodyne

Super heterodyne

Super heterodyne

Power supply

DC 24 V battery

DC 24 V battery

DC 24 V battery

Antenna Length

L-4 .45M. M-360M

L-4 .45M. M-3.60M

4 .45M

Total weight

L-24kgs.M-19kgs

L-24kgs.M-19kgs

24kgs

ITEM TYPE

L-1,M-1

KTR-18,KTR-66,KT-11

M-27

Antenna power

3-10W

3-10W

0.5W

Frequency

1605-2850KHZ

1605-2850KHZ

27.5-28.0KHZ

Effective rage

L-150KM.M-50KM

220KM

50KM

Type of emission

A1A

A1A

A1A

Transmission code

40sec emission 3min 20sec pause

40sec emission 3min 20sec pause

40sec emission 3min 20sec pause

Call sign

1 English letter and 2 figures

1 English letter and 2 figures

1 English letter and 2 figures

Antenna length

L-4.45M.M-360M

L-4.45M.M-3.60M

2.58M

Power supply

DC 18V. battery

DC 18V. battery

DC 18V. battery

Total weight

L-24kgs.M-19kgs

L-24kgs

L-24kgs