Icom IC-681 Amateur VHF Telsiz

3.9.16 0 Yorum
Loudspeaker, Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil). Power out. from Radiomuseum.org, Model: IC-681 - Icom Incorporated.; Osaka Amateur VHF transceiver. Frequency range: 50-54 MHz. Mode: FM. RF Power output: Hi: 10 W Mid: 3 W Lo: 0.5 W. Receiver system: N/A

Icom IC-681

Type:Amateur VHF transceiver
Frequency range:50-54 MHz
Mode:FM
RF Power output:Hi: 10 W
Mid: 3 W
Lo: 0.5 W
Receiver system:N/A
Sensitivity:N/A
Selectivity:N/A
Image rejection:N/A
Voltage:13.8 VDC
Current drain:RX: Max 1 A
TX: Max 3.8 A
Impedance:50 ohms
Dimensions (W*H*D):140*40*124 mm
Weight:800 gr
Manufactured:Japan, 19xx-19xx (Discontinued)
Other:
Related documents:
Modifications:

Icom IC-560 Amateur VHF

3.9.16 0 Yorum
The Icom IC-560 is a 6 meter multi-mode mobile transceiver. Frequency coverage is 50 to 54 MHz. The supported modes include USB, LSB, CW and FM. This radio features 3 memories, memories scan, band scan, variable shifts, RIT, NB, digital display and analog meter. Power may be set for 10 watts or 1 watt. Requires 13.8 VDC at 3.5 amps. Supplied with microphone and hand mic.

Icom IC-560

Type:Amateur VHF transceiver
Frequency range:50-54 MHz
Mode:FM/SSB/CW
RF Power output:Hi: 10 W
Lo: 1 W
Sensitivity:N/A
Selectivity:N/A
Image rejection:N/A
Voltage:13.8 VDC
Current drain:RX: ? mA
TX: Max ? A
Impedance:50 ohms, SO-239
Dimensions (W*H*D):? mm
Weight:? Kg
Manufactured:Japan, 19xx-19xx (Discontinued)
Other:
Related documents:

Icom IC-490A Amateur UHF Telsiz

14.7.16 0 Yorum
The Icom IC-490A is similar to the IC-290A but operates multimode on 430-430.9999 MHz instead of 2 Meters. Power output is 10 watts or 1 watt. This radio requires 3.3 amps. The rear panel has an N type antenna jack. 

Icom IC-490A
Type:Amateur UHF transceiver
Frequency range:430-440 MHz
Mode:FM/SSB/CW
RF Power output:Hi: 10 W
Lo: 1 W
Receiver system:N/A
Sensitivity:N/A
Selectivity:N/A
Image rejection:N/A
Voltage:13.8 VDC
Current drain:RX: ? mA
TX: Max 3.6 A
Impedance:50 ohms, N
Dimensions (W*H*D):170*64*218 mm
Weight:2.6 Kg
Manufactured:Japan, 198x-198x (Discontinued)
Other:4 memories. Dual VFO's. Scanning
Related documents:User Manual
Modifications:

Icom IC-481H Amateur UHF Telsiz

14.7.16 0 Yorum
The Icom IC-281H 2 meter mobile FM transceiver boasts 50 watts output plus 440 band receive (440-450 MHz) for full duplex crossband operation. Other features include 60 regular memories, 10 scratch pad memories, 14 auto dialer memories, built-in pager and code squelch functions and auto memory channel advance.

The Icom IC-481H is similar to the IC-281H, but transmits on the 440-450 MHz band (35/10/5 watts) instead of 2 meters. This model receives 400-479 MHz plus 136-174 MHz. It requires 13.8 VDC at 10.5 amps. 

Icom IC-481H
Type:Amateur UHF transceiver
Frequency range:TX: 430-440 MHz (Europe)
TX: 440-450 MHz (USA)
RX: 136-174 / 400-479 MHz
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 KHz
Mode:FM
Memory channels:30 regular, 6 scan edge and 1 call channel per band (74 in total)
Power supply:13.8 VDC ±15%
Current drain/power consumption:RX: 0.8-1 A
TX: Max 10.5 A
Antenna impedance/connector:50 ohms / N-jack
Dimensions (W*H*D):140*40*171 mm (5.5*1.6*6.7")
Weight:960 gr (2.1 lb)
Other features:Capable of 1200/9600 bd packet operation




RECEIVER SECTION
Receiver system:Double conversion superheterodyne
1st IF: 42.45 MHz
2nd IF: 455 KHz
Sensitivity:VHF: 0.18 uV (12 dB SINAD)
UHF: 0.16 uV (12 dB SINAD)
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:60 dB
AF output power/speaker:2.4 W at 10% distortion / 8 ohms
External speaker connector:3.5 mm / 4-8 ohms




TRANSMITTER SECTION
RF output power:Hi: 35 W
Mid: 10 W
Lo: 5 W
Modulation system:Variable reactance
Max FM deviation:±5 KHz
Spurious emissions:Less than -60 dB
Microphone connector/impedance:8-pin modular / 600 ohms




MISCELLANEOUS
Manufactured:Japan, 1994-199x (Discontinued)
Additional info:
Related documents:User manual (5.7 MB)
Modifications:
Options/Accessories:
AH-32
AHB-32
HM-77
HM-78
HM-79
IC-PS30
MB-17A
MB-27
OPC-345
OPC-347
OPC-440
SP-7
SP-10
SP-12
UT-66
UT-85
2 m/70 cm dual band antenna
Trunk mount with coax cable, for AH-32
DTMF hand microphone
Hand microphone
Hand microphone with 1750 Hz tone call
DC power supply, 13.8 VDC 25 A
One-touch mobile mounting bracket
Standard mobile mounting bracket
DC power cable, 3 m (9.8 ft)
DC power cable, 7 m (23 ft)
Mic extension cable, 5 m (16.4 ft)
External speaker
External speaker
External speaker
Voice synthesizer unit
Tone squelch unit, RX & TX

Icom IC-449E Amateur UHF Telsiz

12.7.16 0 Yorum
Manufacturer: ICOM, Model: IC-449E, Type: Mobile Amateur UHF Transceiver, Range: 430-440 MHz (TX), 430-440 MHz (RX)

Icom IC-449E
Type:Amateur UHF transceiver
Frequency range:430-440 MHz
Mode:FM
RF Power output:Hi: 35 W
Lo3: 20 W
Lo2: 10 W
Lo1: 5 W
Receiver system:N/A
Sensitivity:N/A
Selectivity:N/A
Image rejection:N/A
Voltage:13.8 VDC
Current drain:RX: Max 0.5 A
TX: Max 9.5 A
Impedance:50 ohms, N
Dimensions (W*H*D):140*50*155 mm
Weight:1 Kg
Manufactured:Japan, 1990-199x (Discontinued)
Other:New price 1990 in Sweden: 4195:- SEK
Related documents:User Manual
Modifications:

Icom IC-448A Amateur UHF Telsiz

12.7.16 0 Yorum
Manufacturer: ICOM, Model: IC-448A, Type: Mobile Amateur UHF Transceiver, Range: 440-450 MHz (TX), 440-450 MHz (RX)

Icom IC-448A
Type:Amateur UHF transceiver
Frequency range:440-450 MHz
Mode:FM
RF Power output:Hi: 35 W
Lo: 5 W
Receiver system:N/A
Sensitivity:N/A
Selectivity:N/A
Image rejection:N/A
Voltage:13.8 VDC
Current drain:RX: Max ? A
TX: Max 9.5 A
Impedance:50 ohms, N
Dimensions (W*H*D):140*50*159 mm
Weight:? Kg
Manufactured:Japan, 1988-1990 (Discontinued)
Other:20 memories
Related documents:User Manual
Modifications: