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We install si4732 mod version 2.5 (version 3 if you are eager), also instructions apply for version 5. Difference between version 2.5 & version 5 is the way BGA427 LNA is done, the latter uses second application from datasheet and provides 22 dB of amplification, whereas ver 2.5 provides only 18.5 dB. There are 4 ways to install this mod, 1) single antenna, 2) dual antenna, 3) discreet antenna, and 4) single antenna with dual LNA's. We are going to try and test all 4. We also going to install (optionally if you wish) improved LNA, BFU550AR. R3b0rn Firmware firmware - SSB patch - R3b0rn channel editor - Install instructions. Be sure to backup calibrations and configuration using k5prog-win. Install using k5prog-win. After install turn off. Hold 7 turn on, turn off after done Hold EXIT turn on, turn off after done Long press M, go EEPROM type, select y
