Electronics

All 33 Electronics research technologies from HOI4 v1.19 — real costs, years, prerequisites and unlocks mined from the game files.

Electronics technologies (33 entries)
Tech	Cost	Year	Prerequisites	Leads to	Unlocks	Effects
`Electronic Mechanical Engineering` electronic_mechanical_engineering Has a scripted effect on completion.	1	1936	—	Radio, Mechanical Computing, Cavity Magnetron	Modules: `ship_fire_control_system_0`	Research Speed Factor +0.03
`Atomic Research` By Blood Alone atomic_research Has a scripted effect on completion.	5	1940	—	—	—	Research Speed Factor +0.04
`Basic Fortification` Gotterdammerung basic_fortification_tech Has a scripted effect on completion.	1.5	1936	—	Improved Coastal Fortifications, Improved Land Forts	—	Bunker Max Level Terrain Limit +1 Coastal Bunker Max Level Terrain Limit +1
`Radio` radio	2	undefined	Electronic Mechanical Engineering	Improved Radio	Modules: `tank_radio_1`, `radio_navigation_1`, `lc_radio_1`	Land Reinforce Rate +0.02 Coordination Bonus +0.02
`Experimental Rockets` Gotterdammerung experimental_rockets Has a scripted effect on completion.	1.5	1942	—	Improved Guidance, $rocket_propelled_bombs$, Dual Chamber Rocket Engines	Buildings: `rocket_site` (level 3)	—
`Improved Coastal Fortifications` coastal_fort_tech_1	1.5	1936	Basic Fortification	Advanced Coastal Fortifications	—	Coastal Bunker Max Level Terrain Limit +1
`Mechanical Computing` mechanical_computing	2.5	undefined	Electronic Mechanical Engineering	Computing Machine, Basic Fire Control System	Modules: `bomb_sights_1`	Research Speed Factor +0.04
`Improved Guidance` sp_rockets_improved_guidance	1	1943	Experimental Rockets	—	Equipment: `[object Object]` Modules: `guided_anti_ship_missile`	`guided_missile`: Air Range +0.25 `category_rocket_artillery`: Soft Attack +0.1 `rocket_battery`: Soft Attack +0.05
`Basic Fire Control System` Man the Guns basic_fire_control_system	1	undefined	Mechanical Computing	—	Modules: `ship_fire_control_system_1`	—
`Improved Radio` improved_radio	2	1938	Radio	Advanced Radio	Modules: `radio_navigation_2`, `tank_radio_2`, `lc_radio_2`	Land Reinforce Rate +0.02 Coordination Bonus +0.02
`Dual Chamber Rocket Engines` By Blood Alone sp_rockets_dual_chamber_rocket_engine_1	1.5	1944	Experimental Rockets	Advanced Dual Chamber Rocket Engines	Equipment: `[object Object]` Modules: `rocket_engine_2`	—
`Cavity Magnetron` cavity_magnatron	1.25	1938	Electronic Mechanical Engineering, Radar	Centimetric Radar	Modules: `ship_radar_2` Buildings: `radar_station` (level 2)	Coordination Bonus +0.01
`Improved Land Forts` land_fort_tech_1	1.5	1938	Basic Fortification	Advanced Land Forts	Modules: `lc_bunker_emplacement`	Bunker Max Level Terrain Limit +1
`Encryption - Polyalphabetical Ciphers` La Resistance basic_encryption	1	1938	Computing Machine	—	—	Encryption +1
$rocket_propelled_bombs$ By Blood Alone sp_rockets_rocket_bomber	1	1944	Experimental Rockets	$improved_rocket_propelled_bombs$	Modules: `rocket_propelled_bombs`	—
`Computing Machine` computing_machine	2.5	1938	Mechanical Computing	Improved Computing Machine, Encryption - Polyalphabetical Ciphers, Decryption - Frequency Analysis, Improved Fire Control System	—	Research Speed Factor +0.05
`Decryption - Frequency Analysis` La Resistance basic_decryption	1.5	1938	Computing Machine	—	—	Decryption +1
$improved_rocket_propelled_bombs$ sp_rockets_improved_rocket_bomber	1	1945	$rocket_propelled_bombs$	—	Modules: `improved_rocket_propelled_bombs`	—
`Improved Fire Control System` Man the Guns improved_fire_control_system	1	undefined	Computing Machine	—	Modules: `ship_fire_control_system_2`	—
`Advanced Dual Chamber Rocket Engines` By Blood Alone sp_rockets_dual_chamber_rocket_engine_2	1.5	1946	Dual Chamber Rocket Engines	—	Equipment: `[object Object]` Modules: `rocket_engine_3`	—
`Centimetric Radar` centimetric_radar	1.25	1940	Cavity Magnetron	Phased Array	Modules: `air_air_radar_1`, `air_ground_radar_1` Buildings: `radar_station` (level 4)	Coordination Bonus +0.02 Static Anti Air Hit Chance Factor +0.2
`Advanced Land Forts` land_fort_tech_2	1.5	1940	Improved Land Forts	—	—	Bunker Max Level Terrain Limit +1
`Encryption - Cyclic Permutations` La Resistance improved_encryption	1	1940	Improved Computing Machine	—	—	Encryption +1
`Advanced Coastal Fortifications` coastal_fort_tech_2	1.5	1940	Improved Coastal Fortifications	—	—	Coastal Bunker Max Level Terrain Limit +2
`Improved Computing Machine` improved_computing_machine	2.5	1940	Computing Machine	Advanced Computing Machine, Encryption - Cyclic Permutations, Decryption - Side-channel Attack, Advanced Fire Control System	Modules: `stabilizer`, `bomb_sights_2`	Research Speed Factor +0.08
`Decryption - Side-channel Attack` La Resistance improved_decryption	1.5	1940	Improved Computing Machine	—	—	Decryption +1
`Advanced Radio` advanced_radio	2	1941	Improved Radio	—	Modules: `tank_radio_3`, `lc_radio_3`	Land Reinforce Rate +0.01 Coordination Bonus +0.02
`Phased Array` phased_array	1.25	1941	Centimetric Radar	Monopulse Radar	Modules: `air_air_radar_2`, `ship_radar_3` Buildings: `radar_station` (level 5)	Coordination Bonus +0.01 Static Anti Air Hit Chance Factor +0.2
`Advanced Fire Control System` Man the Guns advanced_fire_control_system	1	undefined	Improved Computing Machine	—	Modules: `ship_fire_control_system_3`	—
`Monopulse Radar` monopulse_radar	1.25	1942	Phased Array	—	Modules: `ship_radar_4`, `air_ground_radar_2` Buildings: `radar_station` (level 6)	Coordination Bonus +0.01 Static Anti Air Hit Chance Factor +0.2
`Encryption - Pulse-code Modulation` La Resistance advanced_encryption	1	1942	Advanced Computing Machine	—	—	Encryption +1
`Advanced Computing Machine` advanced_computing_machine	2.5	1942	Improved Computing Machine	Encryption - Pulse-code Modulation, Decryption - Automated Deduction	—	Research Speed Factor +0.08
`Decryption - Automated Deduction` La Resistance advanced_decryption	1.5	1942	Advanced Computing Machine	—	—	Decryption +1