2
FT-277R Technical Supplement
Specifications
General
Frequency Ranges:
RX
430 - 440 MHz or 400 - 480 MHz
TX
430 - 440 MHz or 430 - 450 MHz
Channel Steps:
5/10/12.5/15/20/25/50/100 kHz
Frequency Stability:
±5 ppm @ 14° to 140° F (–10° to +60° C)
Repeater Shift:
±5 MHz, ±7.6 MHz, or ±1.6 MHz
Emission Type:
F2D , F3E, F2A
Antenna Impedance:
50
Ω
Supply Voltage:
Nominal:
7.2 V DC
(Negative Ground)
Operating: 6.0 ~ 16.0 V DC (EXT DC Jack)
11.0 ~ 16.0 V DC (EXT DC Jack with Charging)
Current Consumption:
165 mA (Receive, 200 mW output)
(Approx. @7.2 V)
47 mA (Standby, Saver Off)
19.5 mA (Standby, Saver On)
8 mA (Auto Power Off)
2.0 A (5 W TX)
Operating Temperature:
–4° to 140° F (–20 °C to +60 °C)
Case Size:
2.36” (W) x 4.72” (H) x 1.26” (D) (60 x 120 x 32 mm)
(W/O knob, antenna, & belt clip)
Weight:
13.8 Oz (390 g) with FNB-83, antenna, and belt clip
Transmitter
RF Power Output:
5.0 W (High) / 2.0 W (Middle) / 0.5 W (Low) (@7.2 V)
Modulation Type:
Variable Reactance F2D, F3E
Maximum Deviation:
±5.0 kHz (F2D, F3E)
Spurious Emission:
– 60 dB or better (@ High and Middle power)
– 40 dB or better (@ Low power)
Microphone Impedance:
2 k
Ω
Receiver
ircuit Type:
Double-Conversion Superheterodyne
Intermediate Frequencies:
1st: 47.25 MHz
2nd: 450 kHz
Sensitivity:
0.3 µV for 12 dB SINAD (400 - 420 MHz )
0.2 µV for 12 dB SINAD (420 - 470 MHz )
0.25 µV for 12 dB SINAD (470 - 480 MHz )
Selectivity:
12 kHz/35 kHz (–6 dB /–60 dB)
AF Output:
800 mW @ 16
Ω
for 10 % THD (Internal Speaker)
(@ 7.5 V)
450 mW @ 8
Ω
for 10 % THD (EXT SP Jack)
Specifications are subject to change without notice, and are guaranteed within the 430 MHz amateur band only. Frequency
ranges will vary according to transceiver version; check with your dealer.
