| GENERAL | 
| Type: | Amateur VHF transceiver | 
| Frequency range: | TX: 144-148 MHz RX: 144-148 MHz
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| Tuning steps: | Channelized | 
| Frequency stability: | Max ? ppm | 
| Mode: | FM | 
| Channels / memory management: | 24 regular. XTAL-controlled 18 MHz XTALs for TX and 14 MHz XTALs for RX
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| Repeater shift / offset: | According to XTALs | 
| Power supply: | Mains: 117 VAC ±10% (100/117/200/220/234 VAC with IC-21X transformer) or 13.5 VDC ±10%
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| Current drain / power consumption: | RX: 200 mA (Average) TX: 1.2-2.1 A
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| Antenna impedance / connector: | 50 ohm / SO-239 | 
| Dimensions (W*H*D): | 230*111*260 mm (9.06*4.37*10.24") | 
| Weight: | 6 Kg (13.23 lb) | 
| Other features: | RIT. Center meter and SWR-meter. | 
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| RECEIVER SECTION | 
| Receiver system: | Double conversion superheterodyne 1st IF: 10.7 MHz
 2nd IF: 455 KHz
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| Sensitivity: | 0.4 uV (20 dB quieting) | 
| Selectivity: | 30 KHz (-6 dB) 50 KHz (-50 dB)
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| Image rejection: |  | 
| AF output power / speaker: | 1.5 W at ?% distortion / 8 ohm | 
| External speaker connector: | Yes, 8 ohm | 
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| TRANSMITTER SECTION | 
| RF output power: |  | 
| Modulation system: | Variable reactance phase modulation | 
| Max FM deviation (Factory set): | ±? KHz | 
| Spurious emissions: | Better than -? dB | 
| Microphone impedance / connector: | 10 Kohm / 3-pin (Metal locking ring connector) | 
| Microphone input level: | ? mV | 
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| MISCELLANEOUS | 
| Manufactured: | Japan, 1971-197x (Discontinued) | 
| Additional info: | New price 1971 in the US: $389.00 | 
| Related documents: | User manual (3.8 MB) | 
| Modifications and fixes: |  | 
| Reviews: |  | 
| Options / Accessories: |  |