Guerrilla RF 

This article addresses these specific design constraints by providing a detailed comparison between the two basic antenna module configurations.
Optimized to deliver excellent P1dB, ACLR and IM3 performance over the 800 to 900 MHz band.
Guerrilla RF - GRF2013 - Gain Block
Available now from Richardson RFPD, three of the newest devices from Guerrilla RF—a high-linearity gain block and ultra-low noise amplifier for small cell/wireless infrastructure applications, and a high-frequency power-LNA™ for 802.11ac 5 GHz PA/driver applications.