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Last modified 2022-09-02

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Yaesu FT-720R

A picture of Yaesu FT-720R

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: Europe
TX: 144-146 / 430-440 MHz
RX: 144-146 / 430-440 MHz
USA
TX: 143.9-148 / 440-450 MHz
RX: 143.9-148 / 440-450 MHz
Tuning steps:2 m: 12.5 KHz (Europe) or 5 / 10 KHz (USA)
70 cm: 25 KHz (All versions)
Frequency stability:Max ? ppm
Mode:FM
Channels / memory management: 4 regular
1 priority
RAM storage, External DC required for memory retention!
Repeater shift / offset: Europe
2 m: 600 KHz
70 cm: 1.6 MHz
USA
2 m: 600 KHz
70 cm: 5 MHz
(For odd splits, use memory M0)
Power supply:13.8 VDC (2-pin metal locking ring connector)
Current drain / power consumption:RX: 500 mA
TX: 3.5 A (720RV deck) - 6.5 A (720RVH deck) - 4.5 A (720RU deck)
Antenna impedance / connector:2 m: 50 ohm / SO-239
70 cm: 50 ohm / N-jack
Dimensions (W*H*D):Control head: 150*50*85 mm (5.91*1.97*3.35")
RF decks: 150*50*161 mm (5.91*1.97*6.34")
Weight:Control head: 900 g (1.98 lb)
RF decks: 1.6 Kg (3.53 lb)
Other features:Scanning. CTCSS/PL option. 1750 Hz (Europe) or 1800 Hz (USA) repeater tone.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.7 MHz (2 m) - 16.9 MHz (70 cm)
2nd IF: 455 KHz
Sensitivity: 2 m: 0.32 uV (20 dB quieting)
70 cm: 0.5 uV (20 dB quieting)
Selectivity: 2 m
12 KHz (-6 dB)
24 KHz (-60 dB)
70 cm
24 KHz (-6 dB)
48 KHz (-60 dB)
Image rejection:
AF output power / speaker:1.5 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:
2 m (720RV deck):10 W
2 m (720RVH deck):25 W
70 cm (720RU deck):10 W
Modulation system:Variable reactance phase modulation
Max FM deviation (Factory set):2 m: 5 KHz
70 cm: 12 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:500-600 ohm / 6-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1980-1981 (Discontinued)
Additional info: Closeout price, september 1981 in the US: $349.95 (Control head + 720RVH deck)
Closeout price, september 1981 in the US: $359.95 (Control head + 720RU deck)
Related documents:User manual (18.9 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
720RV
720RVH
720RU
E72L
E72S
MMB3
S72
2 m deck, 10 W
2 m deck, 25 W
70 cm deck, 10 W
Extension cable, 400 cm (13.12 ft)
Extension cable, 200 cm (6.56 ft)
Bracket for deck option
Switching box