Helium 868 MHz Bandpass Filter

Helium 868 MHz Bandpass FilterPRODUCT OVERVIEW This is a small, cost effective 868 MHz band pass filter with a typical insertion loss of less than 3 dB in the pass band which includes 867, 868, 869 and 870 MHz. This filter has been designed specifically for Helium miners. It has RP SMA connectors at either end so that you don't need additional RF adapters. This minimizes filter insertion loss. This filter has excellent rejection specifications. Rejection at 400 MHz and 950 MHz for

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You can power it in your lab using the USB port or DC header but note ⚠️  A DC voltage (same as that applied) will be on the RF output ports

Note: you can swap the input for output in this filter as it is largely symmetric in terms of S21=S12

Maritime and GMDSS receive system front ends

Typical conversion loss

DC Input Voltage Range: +5V to +12V

5 MHz uplink is the transmit path for a wide range of Inmarsat services: Fleet Broadband and IsatPhone terminals in maritime and land-mobile deployments

GPS L1 signal processing

This is a set of 18 RF SMA adapters that will enable your Software-defined Radio to mate with various cables

A DAB notch filter can prevent receiver saturation

Building filters with this kit is super-easy

or ISM-band interference can swamp a receiver before it ever gets a clean look at the satellite signal