4.8 (194) · € 62.00 · En Stock
RF Sensed TR Switches with a receive splitter designed to be used with a transceiver and a separate receiver such as the popular SDR receivers. The Splitter gives high isolation between the transceiver and SDR Receive port to reduce crosstalk and interference between the two ports. The SDR port has a protection circuit
RF Sensed TR Switches with a receive splitter designed to be used with a transceiver and a separate receiver such as the popular SDR receivers. The Splitter gives high isolation between the transceiver and SDR Receive port to reduce crosstalk and interference between the two ports. The SDR port has a protection circuit to help prevent damage from transmit RF. Has a an SMA connector for ease of connection to SDR dongle receivers.
RF Sensing for radios that do not have a keying output when transmitting
Good Isolation between transmit and receive ports
Excellent isolation between Transceiver and SDR Receive Ports.
Good SWR characteristics up to 450MHz
Receiver protection circuit to limit any transmit RF spikes.
Control Line input for radios that have a key line output.
An AUX output that can be set to ground to receive or ground to transmit
Power off bypass sets the transceiver to the antenna
Adjustable receive delay 50ms to 4 seconds.
Product Manuals
Download Product Manual
Download Product Manual in Italian
Expert electronics colibriddc available at Radioworld UK
Coax Switches
Add SDR Capabilities to Your Radio [part 2] - Nashua Area Radio Society
MFJ-1708B RF Sense TR Switch non-SDR to SDR Model Conversion
MFJ-1708B-SDR Software Defined Radio Transmit and Receive Switch, SO-239
Antenna Switches Archives - Unicom Radio
MFJ, MFJ-1708B-SDRS, Switches Coaxial Automatic, MFJ1708BSDRS
MFJ 2018 Ham Radio Catalog
Overview FT991A SDR RSPdx - MFJ-1708 Installation Considerations (Risks vs. Rewards)