IC-RP1220 - 1.2 GHz Amateur Repeater

Quick Specs
1.2 GHz amateur repeater
RX/TX: 1240-1300 MHz
Output power: 10 W
Modes: FM
Receiver sensitivity: 0.32 µV (FM, 12 dB SINAD)

ADDITIONAL FEATURES

An advanced CPU and other ICs in the IC-RP1220 logic circuit allow you remote control using a DTMF code as follows:

• CTCSS decoder on/off
• CTCSS encoder on/off
• CTCSS decoder frequency setting
• CTCSS encoder frequency setting
• Local inhibit function on/off
• Manual ID signal transmission
• ID signal transmission speed setting
• Time-out timer setting
• Drop delay timer setting
• Repeater-pausing time after time-out setting
• CPU resetting
• Operating frequency fine adjustment
• 3 auxiliary control outputs on/off

GENERAL

• Frequency Coverage: 1240~1300 MHz
• Mode: F3 (FM)
• Initial tuning step: 10 or 25 kHz selectable
• Antenna impedance: 50 ohms (unbalanced)
• Power Supply Requirement: 100~120 V AC; 13.8 V DC ±15% (negative ground)
• Current drain (at 13.8 V DC):

  Transmit (high): 6.0 A

  Transmit (low): 3.0 A

  Receive (squelched): 1.0 A

  Receive (max. audio power): 1.2 A

• Usable Temperature Range: -10°C ~ +60°C; +14°F ~ +140°F
• Frequency stability: ±1.0 ppm (-10°C ~ +60°C; +14°F ~ +140°F)
• Dimensions (projections not included): 425(W) x 149(H) x 368(D) mm; 16.7(W) x 5.9(H) x 14.5(D) in
• Weight: 17 kg; 37.5 lb

TRANSMITTER

• Output power:

  High: 10 W

  Low: 1 W

• Modulation system: Variable reactance frequency modulation
• Max. frequency deviation: ±5.0 kHz
• Spurious emissions:

  High output power: Less than -50 dB

  Low output power: Less than -40 dB

• Microphone impedance: 600 ohms

RECEIVER

• Receive system: Triple-conversion superheterodyne
• Intermediate frequencies:

  1st: 136.6 MHz

  2nd: 17.2 MHz

  3rd: 455 kHz

• Sensitivity (for 12 dB SINAD): 0.32 µV
• Squelch sensitivity: Less than 0.25 µV
• Selectivity: More than 15 kHz/-6 dB; Less than 30 kHz/-60 dB
• Spurious rejection: More than 60 dB
• Audio output power: More than 1.7 W at 10% distortion with a 8 ohms load.
• Audio output impedance: 8 ohms