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Last modified 2024-10-12

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Furuno FM-4721

A picture of Furuno FM-4721

SPECIFICATIONS

GENERAL
Type:Marine VHF transceiver
Frequency range: TX: 156.025-157.425 MHz
RX: 156.050-163.275 MHz
Tuning steps:Channelized
Frequency stability:±0.0005% @ -15 to +55°C (5 to 131°F)
Mode:FM
Channels / memory management: All US, Canadian and international channels
10 NOAA weather channels
Duplex shift / offset:Automatic according to bandplan
Power supply:10.8-15.6 VDC
Current drain / power consumption:RX: 0.5-1.5 A
TX: 2.5-6 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):242*70(90)*133 mm (9.5*2.8(3.5)*5.24")
Weight:? Kg (? lb)
Other features: Class D DSC. ATIS mode. Channel 9/16 button. GPS option.
VOX. 30 W PA/loudhailer. Voice scrambler and Bluetooth options.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:0.25 uV (12 dB SINAD)
Squelch sensitivity:0.13 uV (Treshold)
Selectivity:
Image rejection:70 dB
AF output power / speaker:2 W at ?% distortion / 4 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: High: 25 W
Low: 1 W
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Less than 0.25 uW
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:2011-201x (Discontinued)
Additional info:
Related documents:User manual (9.6 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
BH-2A
BU-1
CD-40
CT-100
FVP-42
HS-4721
MH-70F6
MMB-84
NC-85
Bluetooth headset
Bluetooth adapter unit
Charge cradle for BH-2A
Extension cable for handset, 7 m (23.6 ft)
Voice scrambler
Handset
Hand microphone
Flush-mount bracket
AC charger for CD-40