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Last modified 2026-02-04

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Uniden Atlantis 270

A picture of Uniden Atlantis 270

SPECIFICATIONS

GENERAL
Type:Marine VHF transceiver
Frequency range: TX: 156.025-157.425 MHz
RX: 156.050-162.550 MHz
Tuning steps:Channelized
Frequency stability:±1.5 ppm @ 25°C (77°F)
Mode:FM
Channels / memory management: All international, US and Canadian channels
9 NOAA weather channels
Duplex shift / offset:Automatic according to bandplan
Power supply:7.4 VDC (Li-Ion battery pack)
Current drain / power consumption:RX: 60-430 mA
TX: Max 1.5 A
Antenna impedance / connector:50 ohm / ?
Dimensions (W*H*D):62*136*39 mm (2.44*5.35*1.53")
Weight:240 g (8.46 oz), with battery and antenna
Other features: Channel 16/9 button. Dual/triple watch. Scanning. Weather alert.
JIS7/IPX7 waterproof.




RECEIVER SECTION
Receiver system: SoC / Homodyne (Direct conversion)
Sensitivity:0.2 uV (12 dB SINAD)
Squelch sensitivity:0.2 uV (Threshold)
Selectivity:75 dB (Adjacent channel)
Image rejection:
AF output power / speaker:700 mW at 10% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: High: 6 W
Mid: 2.5 W
Low: 1 W
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -70 dBc
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Vietnam, 20xx-20xx
Additional info:
Related documents: User manual (1.8 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
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