The R1950SMUA5CR delivers -125 dBc/Hz typical phase noise at 10 KHz offset at its operating range of 1950 MHz.
VCC is 5 Volts while the tuning voltage range is 0.5 to 4.5 V.
Typical output power is 7 dBm.
Packaged in a standard 0.5 x 0.5 inch castellated SMT, the API Wireless R1950SMUA5CR is a form/fit/function replacement for the EOL Qorvo UMX-1039-D16-G.