OVERVIEW: The JY-27 WIDE MAT is a long-range 2-D surveillance and early warning radar operating in the A/B-band  

DETAILS: The JY-27 is claimed to have pseudorandom frequency hopping, and ECCM capabilities.  

Specifications:

Frequency: 		  30-300 MHz (approx) ( A/B Band (NATO),  VHF Band (IEEE)))  
Power output: 		  unknown kW(average);  unknown kW (peak) 
PRF:			  unknown pps	
Range Resolution:	  150 m (range),  1 degrees azimuth 					
On/Off time:		  unknown
Deploy/Stow Time	  unknown min/ unknown min
 
Detection Range:
Pd=80%, 1.5 m2 RCS:
tgt alt. 100m:		 km
tgt alt. 18000m:	 km
Max Range:		 444-722 km

  
NOTES:  Design appears to be influenced by the 1L13 Nebo SV  BOX SPRING and 1L119 Nebo SVU.  The design may provide a valuable early warning capability against stealth-type aircraft.

SOURCES: "PLA Air Defence Radars." Air Power Australia. Accessed March 28, 2015. http://www.ausairpower.net/APA-PLA-IADS-Radars.html ; "Russian / PLA Low Band Surveillance Radar Systems (Counter LowObservable Technology Radars)." Air Power Australia. Accessed March 28, 2015. http://www.ausairpower.net/APA-Rus-Low-Band-Radars.html#mozTocId132830.