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Last modified 2023-09-19

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Icom IC-1271

A picture of Icom IC-1271

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: Japanese domestic market
TX: 1240-1300 MHz
RX: 1240-1300 MHz
Tuning steps:100 Hz, 1 / 25 KHz, 1 MHz
Frequency stability:0.0003% (±3 ppm) @ 0 to 50°C (32 to 122°F)
Mode:FM / SSB / CW (ATV option)
Channels / memory management: 32 regular
2 scan edge
RAM storage with lithium battery backup
Repeater shift / offset:Programmable
Power supply:13.8 VDC ±15% (Mains option)
Current drain / power consumption:RX: RX: 1.3 to 1.5 A
TX: Max 7.5 A
Antenna impedance / connector:50 ohm / N-jack
Dimensions (W*H*D):286*111*276 mm (11.26*4.37*10.87")
Weight:7.1 Kg (15.65 lb)
Other features:VOX. NB. CI-IV computer control.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne (SSB/CW)
1st IF: 133.86 MHz
2nd IF: 10.75 MHz
Triple conversion superheterodyne (FM)
1st IF: 133.86 MHz
2nd IF: 10.75 MHz
3rd IF: 455 KHz
Sensitivity: FM: 0.22 uV (12 dB SINAD)
SSB/CW: 0.16 uV (10 dB S+N/N)
Selectivity: FM
15 KHz (-6 dB)
30 KHz (-60 dB)
SSB/CW
2.4 KHz (-6 dB)
4.8 KHz (-60 dB)
Image rejection:
AF output power / speaker:2 W at 10% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

Pwr
FM:1-10 W
SSB (PEP):1-10 W
CW:1-10 W
Modulation system:FM: Variable reactance frequency modulation
SSB: Balanced modulation
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -50 dB
Microphone impedance / connector:600 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1987-198x (Discontinued)
Additional info: Battery-backed BIOS-RAM. Special procedure to replace the
battery, or the radio will die!
Related documents:
Modifications and fixes: RAM board battery replacement procedure (69 KB)
Reviews:
Options / Accessories:
IC-AG-1200
IC-EX309
IC-EX310
IC-EX314
HP-1
PS-15
PS-25
PS-30
SM-8
TS-32
TV-1200
UT-15
23 cm masthead preamplifier
Interface unit
Voice synthesizer
Replacement RAM board
Communications headphones
AC power supply. 13.8 VDC, 20 A
Internal AC power supply
AC power supply. 13.8 VDC, 25 A
Desk microphone. Two line outputs
CTCSS/PL encoder/decoder unit (UT-15 required)
ATV unit (mode A5 & A9 - AM video)
CTCSS/PL interface unit