Hamplus AS-603ALS Desktop Automatic Switch for Six Antennas and Three Radios

Hamplus AS-603ALS is a high-performance desktop automatic switch designed to connect up to six antennas to three transceivers, offering seamless integration for complex amateur radio setups. It features two independent internal relays—one for antenna selection and one for radio selection—allowing flexible and intelligent switching.

Key Features:
-- Manual and Automatic Operation: Illuminated pushbuttons allow manual selection of antennas and radios. Automatic switching is enabled via band/frequency data from compatible transceivers.
--Transceiver Compatibility: Elecraft, Icom (CI-V), Kenwood, Yaesu, and FlexRadio transceivers using optional interface cables.
--Amplifier Integration: Two rear-panel SO-239 RF connectors route the selected radio's output through a shared linear amplifier. Amplifier keying is managed via three RCA inputs and a single relay output.
--Memory Function: Automatically recalls the last antenna used for each band or frequency when the transceiver changes bands.
--Remote Control: RS-232 serial communication with PC and downloadable software.

Specifications:
- Dimensions (WHD): 13.00 × 3.15 × 5.91 in (330 × 80 × 150 mm)
- Power Requirement: 13.8 V DC, 140 mA
- Maximum Power Handling: Up to 3000 Watts SSB PEP (with antenna SWR < 1.5:1)
- Frequency Range: 1.8 to 148 MHz
- Insertion Loss: < 0.2 dB
- RF Port Isolation: 72 dB @ 30 MHz; 58 dB @ 50 MHz
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