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Last modified 2024-06-01

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Icom IC-905

A picture of Icom IC-905

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF/SHF transceiver
Frequency range: Europe
TX: 144-146 / 430-440 / 1240-1300 / 2300-2450 / 5650-5850 MHz
RX: 144-146 / 430-440 / 1240-1300 / 2300-2450 / 5650-5850 MHz
USA
TX: 144-148 / 430-450 / 1240-1300 / 2300-2310 / 2390-2450 / 5650-5925 MHz
RX: 144-148 / 430-450 / 1240-1300 / 2300-2310 / 2390-2450 / 5650-5925 MHz

3 cm / 10.0-10.5 GHz option (CX-10G)
Tuning steps:Down to 1 Hz
Frequency stability:Less than 65 ppb (GPS stabilized OCXO)
Outdoor RF unit: -10 to +55C (14 to 131F)
Mode: AM / FM / SSB / CW / RTTY / DV & DD (D-Star) / FM-ATV
Selectable audio subcarriers for ATV: 4.5, 6.0 and 6.5 MHz
(Also 5.5, 7.02 and 7.2 MHz from firmware v1.15 and up)
Channels / memory management: 500 regular in up to 100 groups
25 scan edge pairs (Program scan)
12 call (2 in each band)
2500 repeater
300 GPS
Non-volatile EEPROM storage
Repeater shift / offset:Programmable
Power supply:13.8 VDC 15% (Barrel connector)
Current drain / power consumption:RX: Max 3 A
TX: Max 5.5 A
Antenna impedance / connector: 2 m/70 cm/23 cm
50 ohm / N-jack
13 cm
50 ohm / SMA
6 cm
50 ohm / SMA
(There is also an SMA connector for the GPS antenna)
Dimensions (W*H*D): Controller: 200*84*82 mm (7.9*3.3*3.2")
RF unit: 172*87*210 mm (6.8*3.4*8.3")
Weight: Controller: 940 g (2.1 lb)
RF unit: 3.2 Kg (7.1 lb)
Other features: Analog A/V in/out for ATV (75 ohm, 1 Vpp). SD-card slot. USB-C connector.
4.3" touch screen color display. Spectrum scope and waterfall. LAN ports.
SWR meter (Except for the optional 3 cm band). IPX5 weatherproof outdoor RF unit.




RECEIVER SECTION
Receiver system: RF direct sampling (2 m/70 cm)
Down conversion IF sampling (23 cm/13 cm/6 cm)
23 cm: 331-371 MHz
13 cm / 6 cm: 1st: 914 MHz band, 2nd: 346 MHz band
Sensitivity: AM (10 dB S/N)
2 m: 1 uV
70 cm: 1 uV
23 cm: 1 uV
13 cm: 1 uV
6 cm: 1.4 uV
3 cm: 1.12 uV (With optional CX-10G)
FM (12 dB SINAD)
2 m: 0.17 uV
70 cm: 0.17 uV
23 cm: 0.17 uV
13 cm: 0.17 uV
6 cm: 0.25 uV
3 cm: 0.22 uV (With optional CX-10G)
SSB/CW (Filter: SOFT. 10 dB S/N)
2 m: 0.11 uV
70 cm: 0.11 uV
23 cm: 0.11 uV
13 cm: 0.11 uV
6 cm: 0.15 uV
3 cm: 0.14 uV (With optional CX-10G)
DV (1% BER (PN9))
2 m: 0.35 uV
70 cm: 0.35 uV
23 cm: 0.35 uV
13 cm: 0.35 uV
6 cm: 0.5 uV
3 cm: ? uV (With optional CX-10G)
DD (1% BER (PN9))
23 cm: 1.58 uV
13 cm: 1.58 uV
6 cm: 2.23 uV
3 cm: ? uV (With optional CX-10G)

FM-ATV (Measured on the first US demo unit)
-80 dBm (Treshold for noise free P5 video)
-90 dBm (Treshold for detection)

Sensitivity for the European version (Analog modes)

AM (BW=4 KHz, 60% modulation, 12 dB SINAD)
2 m: 0 dBuVemf
70 cm: 0 dBuVemf
23 cm: 0 dBuVemf
13 cm: 0 dBuVemf
6 cm: 0 dBuVemf
3 cm: ? dBuVemf (With optional CX-10G)
FM (BW=7 KHz, 60% modulation, 12 dB SINAD)
2 m: 0 dBuVemf
70 cm: -6 dBuVemf
23 cm: -6 dBuVemf
13 cm: -6 dBuVemf
6 cm: -6 dBuVemf
3 cm: ? dBuVemf (With optional CX-10G)
SSB/CW (BW=2.4 KHz, Filter: SOFT, 12 dB SINAD)
2 m: -6 dBuVemf
70 cm: -6 dBuVemf
23 cm: -6 dBuVemf
13 cm: -6 dBuVemf
6 cm: -6 dBuVemf
3 cm: ? dBuVemf (With optional CX-10G)
Selectivity: AM (BW=6 KHz)
6 KHz (-3 dB)
15 KHz (-60 dB)
FM (BW=15 KHz)
12 KHz (-6 dB)
20 KHz (-60 dB)
SSB (BW=2.4 KHz)
2.4 KHz (-3 dB)
3.6 KHz (-60 dB)
CW (BW=500 Hz)
500 Hz (-3 dB)
700 Hz (-60 dB)
RTTY (BW=500 Hz)
500 Hz (-3 dB)
700 Hz (-60 dB)
DV (12.5 KHz spacing)
-50 dB
DD (300 KHz spacing)
-40 dB
Image rejection: SSB/CW
2 m/70 cm: 70 dB
23 cm/13 cm/6 cm: 50 dB
AM/FM/DV
2 m / 70 cm: 60 dB
23 cm/13 cm/6 cm: 50 dB
DD
23 cm/13 cm/6 cm: 50 dB
AF output power / speaker:Internal speaker: 530 mW at 10% distortion / 12 ohm
External speaker: 200 mW at 10% distortion
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:
2 m:10 W (AM: 2.5 W)
70 cm:10 W (AM: 2.5 W)
23 cm:10 W (AM: 2.5 W)
13 cm:2 W (AM: 500 mW)
6 cm:2 W (AM: 500 mW)
3 cm:500 mW (AM: 125 mW) With optional CX-10G using 13 cm (2.4 GHz) IF
Modulation system: AM: Digital low power modulation
FM: Digital reactance modulation
SSB: Digital PSN modulation
DV: Digital GMSK modulation
DD: Digital GMSK modulation
ATV: Digital reactance modulation
Max FM deviation (Factory set):FM: 5 KHz
NFM: 2.5 KHz
Spurious emissions:Better than --43 to -60 dB (Depending on band)
Microphone impedance / connector:2.2 Kohm / ?-pin (3.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 2023-202x
Additional info: This system consists of a controller in IC-705 style, connected to an outdoor
IPX5 waterproof RF module via LAN control cable, adopting PoE technology.
This effectively eliminates coax cable losses. For ultimate frequency accuracy
and stability, the system is controlled by a 1 PPS clock signal from a built-in
GNSS/GPS receiver.

New price, september 2023 in Sweden: SEK 46995:-
New price, december 2023 in Sweden: SEK 39945:-
New price, may 2024 in Sweden: SEK 46995:-
New price, may 2024 in Germany: 3999.00 Euro
New price, may 2024 in the US: $2899.95
New price, may 2024 in the UK: 2999.95
Related documents: User manual (11.3 MB)
Advanced manual (29 MB)
Connection guide (11.3 MB)
CI-V reference guide (11.3 MB)
The SHF band challenge, vol 1-4 (4.6 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AH-24
AH-56
AH-100
AH-109PB
CS-905
CX-10G
HM-243
OPC-2509
OPC-2513
RS-BA1 Version 2
RS-MS3A
RS-MS3W
ST-4001A
RS-4001I
RS-4001W
13 cm (2.4 GHz) collinear antenna
6 cm (5.6 GHz) collinear antenna
3 cm (10 GHz) collinear antenna
3 cm (10 GHz) parabolic antenna
Programming software (Free download)
3 cm (10 GHz) transverter module
Speaker-microphone
Control cable, 50 m (164 ft)
Control cable, 20 m (65.6 ft)
IP remote control software
Terminal mode/access point mode software (Android. Free download)
Terminal mode/access point mode software (Windows. Free download)
Picture utility software (Android. Free download)
Picture utility software (iOS. Free download)
Picture utility software (Windows. Free download)
A picture of Icom IC-905 RF module