Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
A few 10s of meters if antennas are unobstructed; less if antennas surrounded by metallic objects. TX power is only 0dbm (1mW). RX sensitivity is -85dbm. Here is a **broken link removed**. I filled in the specs for your chip. If you use the crummy PCB strip antennas, they are lucky to be as good as a theoretical "isotropic" antenna.
If you want to go point to point, you could probably find Yagi antennas that have a gain of +15 to +20dbi for both RX and TX. Dont forget to account for coax loss if using remote antennas.
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