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gpio labs

Helium Band-Pass Filter

Regular price $38.00 USD
Regular price Sale price $38.00 USD
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Frequency

Designed by GPIO Labs, this small, cost-effective band-pass filter is centered at the LoRaWAN and Helium LongFi bands with excellent rejection specifications. For example, rejection at 880 Mhz with the US915 filter is greater than 40 dB, while maintaining a minimal insertion loss of 2.5 dB in the 902-928 MHz pass band. Operating temperature range of -40C to +85C. 

Installing a band-pass filter helps in urban areas and anywhere there are other strong transmitters that may be impacting signal reception such as near cell and radio towers.

This includes all necessary adapters to mount the gpio labs filter to the RP-SMA antenna connection used on Helium hotspots.

Includes:

1× band pass filter (by GPIO Labs)
2× RP-SMA Helium adapters

Filter Specifications:

Frequency Typical Insertion Loss
DC-800 MHz 50 dB
800-880 MHz 40 dB
960-1080 MHz 32 dB
>1080-1500 MHz 40 dB
1500-3000 MHz 25 dB


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