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:

Samsung Galaxy S7 vs LG G5

12.7.16 0 Yorum
Bu yazımızda iki modelin en son amiral gemisi olan cihazlarını inceleyeceğiz. Ardından hangisi daha üstün, hangisi daha kullanışlı karar vermeniz için bir karşılaştırma yapacağız.

Samsung Galaxy S7 vs LG G5

Samsung Galaxy S7’nin üstün Özelliklerini Yazalım
  • S7Wnin ebatları daha küçüktür (142.4 x 69.6 x 7.9 mm). G5’in ebatları ise (149.4 x 73.9 x 7.7 mm).  S7’nin kendi hafızası daha fazladır (64 GB). G5’in kendi hafızası ise (32 GB). 
  • S7’nin ekranı daha iyidir (Super AMOLED). G5’in ekranı ise (IPS LCD). S7 daha hafiftir (152 gr). G5’in ağırlığı ise (159 gr). 
  • S7’nin ekranındaki piksel yoğunluğu daha fazladır (576 PPI). G5’in piksel yoğunluğu ise (554 PPI). 
Şimdi de buraya LG G5’in üstün Özelliklerini Yazalım.
  • G5’in kamerası daha yüksektir (16 MP). S7’nin kamerası ise (12 MP).
  • G5’te radyo vardır, ancak S7’de yoktur.
  • G5’in ekranı daha büyüktür (5.3 inç). S7’nin ekranı ise (5.1 inç).
  • G5 daha incedir (7.7 mm). S7’nin kalınlığı ise (7.9 mm).
Evet Özelliklerimiz Bu Şekildeydi Daha Fazla Ayrıntı Görmek isteyenler Bu Bağlantı dan İnceleyebilirler.

Icom IC-390 Amateur UHF Telsiz

11.7.16 0 Yorum
Manufacturer: ICOM, Model: IC-390, Type: Mobile Amateur UHF Transceiver, Range: 430-440 MHz (TX), 430-440 MHz (RX)

Icom IC-390
Type:Amateur UHF transceiver
Frequency range:430-440 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
Dimensions (W*H*D):? mm
Weight:? Kg
Manufactured:Japan, 19xx-19xx (Discontinued)
Other:
Related documents: