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The SEA 235R is a mobile transceiver covering 0.49-30 MHz for reception and 1.6-30 MHz for transmission. It features a double conversion receiver with DSP, IF frequencies of 1st: 45 MHz and 2nd: 455 kHz. Maximum RF output is 150 W. Audio output is 4 Watt into 4 ohms at less than 10% distortion. The rig has 1 memory bank with 1176 channels, detachable front panel and RS-232 computer interface. It requires 11.6-15.6V DC power. Dimensions are 99 × 314 × 315 mm. Weight is 4.45 kg. Current drain is 1.5 A max in receive mode and 17 A max in transmit mode.

General characteristics

HAM bands
?
Frequency stability
± 10 Hz (-30°C +60°C)
Tuning steps
Rx: 0.01 kHz, Tx: 0.1 kHz
Memories
1176 channels in 1 bank(s)

Receiver

RX-range
0.49-30 MHz
Modulations
CW   USB   LSB   AFSK  
Sensitivity
≤ 1.0 µV for 12 dB SINAD
Selectivity
>60db at –1 KHz
Filters
?
Receiver system
Double conversion + DSP
IF-frequencies
1st: 45 MHz
2nd: 455 kHz
Image rejection
?
Audio output
4 Watt into 4 ohms at less than 10% distortion

Transmitter

TX-range
1.6-30 MHz
Modulations
CW   USB   LSB   AFSK  
RF-output
150 W

Connections

Antenna
-
Impedance
50Ω
Other
-

Electrical

Power requirements
11.6-15.6V DC
Current drain RX
1.5 A max
TX
17 A max

Physical

Dimensions (w×h×d)
314 × 99 × 315 mm (12.36 × 3.90 × 12.40 in) controller + transceiver, including protrusions
Weight
4.45 kg (9.8 lbs)
Form factor
Mobile
Manufactured
Between 1996 and 20xx

Other features

Usage
Marine / Navy
Features + options
Detachable front panel
RS-232 computer interface
Accessories
-
RigReference ID
5174
MPN
SEA-000235R

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