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Last modified 2023-09-16

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Yaesu FT-257

A picture of Yaesu FT-252

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: Europe
TX: 430-440 MHz
RX: 400-480 MHz
USA
TX: 430-450 MHz
RX: 400-480 MHz
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 / 100 KHz
Frequency stability:±5 ppm @ -10 to +60°C (14 to 140°F)
Mode:FM
Channels / memory management: 200 regular with alpha tags
1 home
10 scan edge (PMS) pairs
Non-volatile EEPROM storage
Repeater shift / offset:±0 to 99.95 MHz
Power supply:7.4 VDC nominal
or 5-10 VDC external
Current drain / power consumption:RX: 25-200 mA
TX: Max 1.8 A
Antenna impedance / connector:50 ohm / SMA
Dimensions (W*H*D):62*121*39 mm (2.44*4.76*1.53")
Weight:280 g (9.88 oz), with antenna and belt clip
Other features: Password protection. CTCSS/PL and DCS. ATS. ARS.
Battery voltmeter. Backlit display. IPX5 water protection.
1750 Hz repeater tone. Dual watch. DTMF dialer.




RECEIVER SECTION
Receiver system: Direct conversion
Sensitivity:0.2 uV (12 dB SINAD)
Selectivity:12 KHz (-6 dB)
35 KHz (-60 dB)
Image rejection:
AF output power / speaker:800 mW at 10% distortion / 16 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

HighMidLow
70 cm:5 W2 W500 mW
Modulation system:Variable reactance
Max FM deviation (Factory set):Wide: ±5 KHz
Narrow: ±2.5 KHz
Spurious emissions:Better than -60 dB @ Hi and Middle power
Microphone impedance / connector:2 Kohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:2013-201x (Discontinued)
Additional info:
Related documents:User manual (4.9 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
CD-57
CLIP-24
CN-3
E-DC-6
FNB-124Li
PA-48B
PA-48C
PA-48F
SAD-11B
SDD-11
YHA-76
Charge cradle (Requires SAD-11B AC charger)
Belt clip
SMA-to-BNC adapter
DC cable. Plug and wire only
Li-Ion battery pack (1030 mAh)
AC wall charger (100-120 VAC)
AC wall charger (230-240 VAC)
AC wall charger (220 VAC)
AC wall charger (USA only)
Fused cigarette lighter adapter, 9.5 VDC
Rubber flex antenna