This information is taken directly off of the ICOM IC-706mkII brochure.

IC-706 MKII SPECIFICATIONS

GENERAL

• Frequency Coverage:

  Receiver tuning range: 30 kHz-200 MHz

  Reciever performance optimized for the Amateur radio bands

  Receiver performance specifications guaranteed for the following ranges:

  500 kHz - 4.000 MHz

  4.500 MHz - 8.000 MHz

  9.000 MHz - 29.995 MHz

  50.000 MHz - 54.000 MHz

  144 MHz - 148.00 MHz

  Receiver performance outside of the guaranteed range may vary.

• Mode: LSB/USB, CW, RTTY(FSK). AM, FM, WFM(receive only)
• Number of memory channels: 102 (99 regular, 2 scan edges and 1 call)
• Antenna connector: 2 x SO-259 (one for HF/50 MHz, the other for 144 MHz)
• Power Supply Requirement: 13.8 V DC ±15%, 20 A
• Frequency resolution: 1 Hz minimum
• Current Drain (at 13.8 V DC):

  Receive squelched: 1.7 A

  Receive max.audio output: 1.9 A

• Dimensions: 167(W) x 58(H) x 200(D) mm, 6.6(W) x 2.28(H) x 7.88(D) in (projections not included)
• Weight: 2.5 kg; 5 lb. 8 oz.

Transmitter

• Output power:

  SSB/CW/RTTY/FM: 5 to 100 W (1.8 - 50 MHz band); 1 W to 20 W(144 MHz band)

  AM: 2 W to 40 W (1.8 - 50 MHz band); 1 W to 4 W (144 MHz band)

• Spurious emissions: Less than -50 dB (1.8 - 28 MHz bands); Less than -60 dB (50 - 144 MHz bands)
• Carrier supression: Less than -40 dB
• Unwanted sideband: Less than -50 dB

Receiver

• Receive system:

  SSB/CW/RTTY/AM/WFM: Double conversion superheterodyne

  FM: Triple conversion superheterodyne

• Intermediate frequencies:

  MODE	Ist	2nd	3rd
  SSB/FM	69.0115 MHz	9.0115 MHz	455 kHz (FM only)
  CW/RTTY	60.0106	9.0106	-
  AM	69.0110	9.0100	-
  WFM	70.7000	10.7000	-

• Sensitivity (preamp ON):

  MODE	0.5-1.6 MHz	1.8-29.995 MHz	50-54 MHz	144-148 MHz
  SSB/CW/RTTY (10 dB S/N)	-	0.16 µV	0.16 µV	0.16 µV
  AM (10 dB S/N)	31.6 µV	2.0 µV	2.0 µV	2.0 µV
  FM (12 dB SINAD)	-	0.5 µV (28-29.7 MHz)	0.32 µV	0.32 µV

• Squelch sensitivity (preamp ON):

  SSB - Less than 5.6 µV

  FM - Less than 0.5 µV

• Selectivity (normal):

  SSB/CW/RTTY - More than 2.3 kHz/-6 dB ; Less than 4.0 kHz/-60 dB

  AM - More than 6.0 kHz/-6 dB ; Less than 20 kHz/-40 dB

  FM - More than 15.0 kHz/-6 dB ; Less than 30 kHz/-50 dB

• Spurious and image rejection ratio: More than 70 dB (1.8-28 MHz)
• Audio output power: More than 2.0 W with an 8 ohm load

IC-706 MK II OPTIONS

• IC-4KL 1 kW LINEAR AMPLIFIER: Includes a fully automatic antenna tuner. (An optional OPC-599 is required.)
• AH-2b Antenna Element: A 2.5 m long antenna for mobile operation with the AH-3.
• AH-3 100 W AUTOMATIC ANTENNA TUNER: For use with a long wire antenna.
• AT-180 HF + 50 MHz AUTOMATIC ANTENNA TUNER: Style and size are matched with the IC-706.
• EX-627 HF AUTOMATIC ANTENNA SELECTOR: Automatically selects the antenna. 9 separate antennas can be connected. (An optional OPC-599 is required.)
• MB-62 MOBILE MOUNTING BRACKET: For mounting the IC-706 main unit.
• MB-63 MOBILE MOUNTING BRACKET: For mounting the detached front panel.
• OPC-581 SEPARATION CABLE: Provides separate operation up to 3.5 m (11 ft)
• IC-PS30 DC POWER SUPPLY: 13.8 V DC/25 A max.
• PS-85 DC POWER SUPPLY: 13.8 V DC/20 A max.
• IC-SP3 EXTERNAL SPEAKER (8 ohms/4 W)
• SM-8 DESKTOP MICROPHONE: Equipped with two connection cables. (An optional OPC-599 is required.)
• SM-20 DESKTOP MICROPHONE: High quality. (An optional OPC-599 is required.)
• SP-7 EXTERNAL SPEAKER: Compact speaker for base station use.
• SP-10 EXTERNAL SPEAKER: Heavy duty speaker for mobile use.
• SP-12 EXTERNAL SPEAKER: Thin type speaker for mobile use.
• CR-502 HIGH-STABILITY CRYSTAL UNIT
• CT-16 SATELLITE INTERFACE UNIT
• CT-17 CI-V LEVEL CONVERTER
• FL-100 CW NARROW FILTER (500 HZ/-6 dB)
• FL-101 CW NARROW FILTER (250 HZ/-6 dB)
• FL-103 SSB WIDE FILTER (2.8 kHZ/-6 dB)
• FL-223 SSB NARROW FILTER (1.9 KHZ/-6 dB)
• HM-103 HAND MICROPHONE (same as supplied)
• OPC-025B DC POWER CABLE (same as supplied)
• OPC-589 ADAPTER CABLE
• OPC-598ACC EXTENSION (7 m for the AT-180)
• OPC-599ADPATER CABLE
• UT-102VOICE SYNTHESIZER UNIT