microHAM MK2R Manual page 14

(27) – LNA1: Sequenced keying (LNA bypass or receive antenna control) for Radio 1
Jumper selectable Solid State or RElay output.
Connector: RCA, when active goes to ground.
TIP – Signal
Output ratings are the same as PAPTT2
(28) – DC 12V: Power input.
Connector: 2.1/5.5mm coaxial
CENTRAL – Positive pole
NOTE: DO NOT connect MK2R/MK2R+ to any power supply used for either transceiver.
IMPORTANT WARNING: Be sure to observe the proper polarity!
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SHELL – Ground
SHELL – Negative pole (Ground)
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