2.1 The equipment should be portable and capable
of being used for on-scene communication between a ship and aircraft.
2.2 The equipment should comprise at least:
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.1 an integral transmitter/receiver including
antenna and battery;
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.2 an integral control unit including a press-to-transmit
switch; and
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.3 a microphone and loudspeaker
2.3 The equipment should:
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.1 be capable of being operated by unskilled personnel;
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.2 withstand drops on to a hard surface from a
height of 1 m;
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.3 be of small size and light weight;
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.4 be capable of operating in the ambient noise
level likely to be encountered during SAR operations;
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.5 have provisions for the use of external microphone/headset;
and
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.6 have a colour which distinguishes it from the
portable equipment specified in resolution
A.809(19).
2.4 Unless otherwise stated, the equipment should
comply with the requirements of chapter II, part 2, paragraph 2.3
of Annex 10 to the ICAO Convention.