MM/SPQ-2

{{Short description|Naval radar system}}

{{Infobox radar

| name = MM/SPQ-2

| image = Carabiniere (F 581) 3N.jpg

| caption = MM/SPQ-2 mounted on Carabiniere on 12 March 1974

| country = Italy

| manufacturer = Segnalamento Marittimo ed Sereo (SMA)

| introdate =

| number =

| type =

| frequency = X-Band

| PRF = 1500–3000 pps (i) and 450–550 pps (ii)

| beamwidth = 0.6° (horizontal)

| pulsewidth = 0.15 microsec (i) and 1.5 microsec (ii)

| RPM = 40 rpm

| range = {{convert|74|km|abbr=on}}

| altitude =

| diameter = {{convert|3|m|ft|abbr=on}}

| azimuth =

| elevation =

| precision =

| power = 20 kW peak

| other names =

}}

The MM/SPQ-2 was an Italian naval radar produced by SMA. It was a multifunction radar performing the functions of surface and low altitude search as well as navigation.{{cite book|first=Gaspare|last=Galati|title=100 Years of Radar|publisher=Springer|place=New York|year=2016|page=349}} The radar equipped many ships of the Italian Navy, including the {{sclass|Alpino|frigate}}s, {{sclass|Andrea Doria|cruiser}}s, {{sclass|Audace|destroyer}}s, {{sclass|Bergamini|frigate}}s and {{ship|Italian cruiser|Vittorio Veneto||2}}, and, in its upgraded SPQ-2D form, was exported to Canada for the {{sclass|Iroquois|destroyer}}s. It was developed into the MM/SPS-702 and MM/SPS-703.{{cite book|first=Norman|last=Friedman|title=The Naval Institute Guide to World Naval Weapon Systems|place=Annapolis, Maryland|publisher=Naval Institute Press|year=1989|page=133}}