URI FAQ's
URIx Data Sheet
URIx Schematic
URI Data Sheet (old)
URI Schematic (old)
Connect a URI to a Motorola GM300
Connect Internal +6dB Gain Amplifier
Connect External -6dB Attenuator
Connect a URI to an FRS/GMRS radio
Boost PTT sink current up to 4 amps
Drive a relay from a GPIO pin
Build a loopback connector to test your URIx
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