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Last modified 2022-09-14

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Yaesu FT-4900

A picture of Yaesu FT-4900

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: Japanese domestic market
TX: 144-146 / 430-440 MHz
RX: 144-146 / 430-440 MHz
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 KHz
Frequency stability:5 ppm @ -5 to +50C (23 to 122F)
Mode:FM
Channels / memory management: 26 regular (13 per band)
2 call (1 per band)
2 scan edge pairs/PMS (1 per band)
Priority function
RAM storage with lithium battery backup
Repeater shift / offset: 2 m: 600 KHz
70 cm: 5 MHz
(Defaults, programmable)
Power supply:13.8 VDC 15%
Current drain / power consumption:RX: 600 mA
TX: Max 3.5 A
Antenna impedance / connector:50 ohm / SO-239 (On pigtail)
Dimensions (W*H*D):140*40*145 mm (5.5*1.6*5.71")
Weight:900 g (1.98 lb)
Other features:ARS. Autodimmer. Memory cloning. Twin RX.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 17.7 MHz (2 m) - 22.5 MHz (70 cm)
2nd IF: 455 KHz
Sensitivity:0.16 uV (12 dB SINAD)
Selectivity:12 KHz (-6 dB)
24 KHz (-60 dB)
Image rejection:
AF output power / speaker:3 W at 5% distortion / 4 ohm
External speaker connector:Two 3.5 mm, 4-16 ohm




TRANSMITTER SECTION
RF output power:

HighLow
2 m:10 W1 W
70 cm:10 W1 W
Modulation system:Variable reactance
Max FM deviation (Factory set):5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:600 ohm to 10 Kohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1992-199x (Discontinued)
Additional info:
Related documents: VHF RF power module: Mitsubishi M57715
UHF RF power module: Mitsubishi M57704MR
Modifications and fixes:
Reviews:
Options / Accessories:
CT-5
CT-5L
CT-6
CT-6L
DVS-3
FRC-4
FTS-22
MH-26A8
MH-26C8
MMB-36
MMB-37
MMB-50
MMB-51
MW-1
SP-7
Separation cable. 3 m (9.8 ft)
Separation cable. 6 m (19.7 ft)
Speaker extension cable. 3 m (9.8 ft)
Speaker extension cable. 6 m (19.7 ft)
Digital voice recording unit
Pager unit
CTCSS/PL unit
Hand microphone
Hand microphone with DTMF keypad
Mobile mounting bracket
Mobile mounting bracket
Panel bracket
One-touch panel bracket
Wireless remote control microphone
External speaker