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Amateur Base Station Antenna
Base Station Amateur Antenna
Marine VHF | DSC | AIS | WiFi

General

HAM bands 2m  70cm  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  2m  70cm  10m  4m  None 
Freq. stability ±2.5 p.p.m. @ -20 to +60°C (-4 to +140°F) ±0.5 p.p.m. @ -10 to +50°C (14 to 122°F) after 1 minute warmup ?
Tuning steps 5 / 6.25 / 8.33 / 10 / 12.5 / 15 / 20 / 25 / 50 / 100 kHz 1 / 5 / 10 / 20 Hz VHF Marine channels

Receiver

RX-range 108-550 MHz 0.03-174 / 400-470 MHz 156.300–161.925 MHz
Modulations FM   N-FM   C4FM   AM   FM   N-FM   CW   SSB   C4FM   FM  
Sensitivity AM (10 dB S/N)
108-137 MHz: 0.8 µV
300-336 MHz: 0.8 µV

FM (12 dB SINAD)
137-150 MHz: 0.2 µV
150-174 MHz: 0.25 µV
174-222 MHz: 0.3 µV
222-300 MHz: 0.25 µV
336-420 MHz: 0.25 µV
420-470 MHz: 0.2 µV
470-550 MHz: 0.2 µV

DV/Fusion (BER 1%)
2 m/70 cm: 0.19 µV
AM (BW: 6 kHz / 10 dB S+N/N)
0.5-1.8 MHz: 7.9 µV
1.8-30 MHz: 2 µV
50-54 MHz: 1 µV
70-70.5 MHz: 2 µV
144-148 MHz: 1 µV
430-450 MHz: 1 µV

FM (BW: 12 kHz / 12 dB SINAD)
28-30 MHz: 0.25 µV
50-54 MHz: 0.2 µV
70-70.5 MHz: 0.25 µV
144-148 MHz: 0.125 µV
430-450 MHz: 0.125 µV

SSB/CW (BW: 2.4 kHz / 10 dB S+N/N)
1.8-30 MHz: 0.16 µV
50-54 MHz: 0.125 µV
70-70.5 MHz: 0.16 µV
144-148 MHz: 0.125 µV
430-450 MHz: 0.125 µV
?
Selectivity 12 kHz (-6 dB)
30 kHz (-60 dB)
AM (BW=6 kHz - Width: Center)
6 kHz (-6 dB)
15 kHz (-60 dB)

FM (BW=12 kHz - Width: Center)
12 kHz (-6 dB)
25 kHz (-60 dB)

SSB (BW=2.4 kHz - Width: Center)
2.4 kHz (-6 dB)
3.6 kHz (-60 dB)

CW (BW=0.5 kHz - Width: Center)
500 Hz (-6 dB)
750 Hz (-60 dB)
?
Filters ? ? ?
Receiver system Double conversion superheterodyne Direct sampling superheterrodyne (Below 48 MHz) Single conversion IF sampling (Above 48 MHz) ?
IF-freqs. 1st: 56.75 MHz (Main RX) - 55.85 MHz (Sub RX)
2nd: 450 kHz
? ?
Image rejection ? 70 dB or better (HF amateur bands) 60 dB or better (VHF / UHF amateur bands) ?
Audio output 3 W (Main unit), 6 W (Control head) at 10% distortion / 8 ohm 1.5 W at 10% distortion / 4 ohm (Without SPA-1 option) 5W producing 81 dB @ 1m

Transmitter

TX-range 144-146 / 430-440 MHz (Europe)
144-148 / 430-450 MHz (USA)
10-160 m + WARC / 6 m / 2 m / 70 cm (Also 4 m for UK version) 156.025–161.425 MHz
Modulations FM   N-FM   C4FM   AM   FM   N-FM   CW   SSB   C4FM   FM  
RF-output 5 / 25 / 55 W 0.5-10 W
100 W with optional SPA-1
VHF: 25W, 1W AIS: 5W

Connections

Antenna SO-239 BNC SO-239
Impedance 50Ω 50Ω 50Ω
Other - - -

Electrical

Power req. 11.7-15.8 V DC 10.8 V DC (Battery pack) or 13.8 V DC ±15% external 9.6–31.2 V DC
Current RX 500 mA 600-900 mA ?
TX 11 A 3 A max ?

Physical

Manufactured Between 2025 and 20xx in Japan Between 2025 and 20xx Between 2026 and 20xx in UK
Dimensions 156 × 64 × 59 mm
(6.14 × 2.52 × 2.32 in)
213 × 89 × 240 mm
(8.39 × 3.50 × 9.45 in)
?
Weight 1.40 kg (3.1 lbs) ? 800 gr (1.8 lbs)
Form factor Base Station Mobile Mobile

Other features

Memories 1053 channels in 1 bank(s) ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Marine / Navy
Features ? 4.3" color touch TFT with switchable display modes. 3DSS band-scope. Two independent receivers. Two speakers. 32-bit IF DSP. Wires-X. USB ports for audio I/O and CAT operation. S-DX. AMS. APRS. Micro SD card slot. Optional ATU that attaches to the back. Optional cooling fan for prolonged transmissions like FT8 and similar. Optional 100 W dockable PA. Optional Bluetooth. 5 W SODTMA AIS
NMEA 0183 / NMEA 2000 Ed 3.101
Wireless LAN standards IEEE802.11 b/g/n
Accessories ? ? ?
MPN YAESU-FTM-000510-ASP YAESU-FTX-000001-FIELD EM-TRAK-X000100