You can switch the relay either with a manual switch or perhaps use a microcontroller to do it for you, if you need a remote switch. Austin QRP club has a kit ($15 including ship) for switching between two SMA devices.

Antenna Switch, Automatic, 8 Antenna/2 Radio, SO2R, 160-6M, 3,000W, High Port Isolation, LAN/WAN Remote, SO-239 Female, Req. 13.8VDC, Each Part Number: FRI-AG-2X8

This antenna switch can be configured with command line software for automatic port switching based on frequency or time or switched manually. The card has 2 female SMA primary ports, each connected to one of 8 female SMA secondary ports, and is optimized for use as a pair of 1x4 switches or as a single 1x8 switch.

An antenna switch is a RF device that could deliver the RF signals from one of the multiple antenna ports to a common RF port at one time. It switches a single coaxial feedline on the common port to feed multiple antennas.

Goupchn Antenna Splitter Cable SMA Female to Dual SMA Male Wire 15cm/6" Low Loss RG316 Y Splitter for 4G LTE Wireless Router, IoT Router, Mobile Modem

The PE71S9016 RF coaxial manual switch with SMA connector comes with a 50 Ohm impedance along with 0.5 dB of maximum insertion loss. Our high-quality 26.5 GHz manual toggle switch has 40 dB minimum isolation.

Explore a wide range of our Sma Antenna Switch selection. Find top brands, exclusive offers, and unbeatable prices on eBay. Shop now for fast shipping and easy returns!

Excellent isolation between Transceiver and SDR Receive Ports. Receiver protection circuit to limit any transmit RF spikes. Control Line input for radios that have a key line output. Adjustable receive delay 50ms to 4 seconds.

Oct 1, 2020 · The active or passive RX antenna selector and the feature to disable the auxiliary RX antenna are really useful and you can do many antenna and rigs comparisons on-the-fly with it, by the flip of a switch.

The antenna switch is ideal for portable wireless devices that allow automatic switching between the internal antenna and the higher-gain external antenna. Antenna switch SMA (f) designed for panel mounting.