(single connector, J-box versions)

640MAMP - 640M Single 4-pin Amp version $710.00	640MS5P - 640M Single 5-pin $730.00	640MAMPRS - 640M Single 4-pin Amp w/ RS-232 port $770.00
640MS5PRS - 640M Single 5-pin w/ RS-232 port $790.00	640MAMPRSRD - 640M Single 4-pin Amp w/ RS-232 and RD40/XL port $850.00	640MS5PRSRD - 640M Single 5-pin w/RS-232 and RD40/XL port $870.00
640MAMPRSRS - 640M Single 4-pin Amp w/ two RS-232 ports $850.00	640MS5PRSRS - 640M Single 5-pin w/ two RS-232 ports $870.00	640MAMPRSRF - 640M Single 4-pin Amp w/ RS-232 and RD40RF port $1,290.00
640MS5PRSRF - 640M Single 5-pin w/ RS-232 and RD40RF port $1,305.00