Robuta

https://www.nxp.com/products/no-longer-manufactured/746-960-mhz-30-w-26-28-v-single-n-cdma-gsm-gsm-edge-rf-ldmos-wideband-integrated-power-amplifiers:MWIC930N
The MWIC930NR1 and MWIC930GNR1 wideband integrated circuits are designed for CDMA and GSM/GSM EDGE applications. They use Our High Voltage (26 to 28 Volts)...
mhzwvsingle
https://www.arrl.org/rf-power-amplifiers
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
rf power amplifiers
https://www.scirp.org/reference/ReferencesPapers?ReferenceID=1957689
Cripps, S.C. (2006) RF Power Amplifiers for Wireless Communications. 2nd Edition, Artech House, Norwood.
rf power amplifierswireless communicationscripps