Multi-chip PLL receiver device supplied in an SSO20 package. With data rates from 1 to 10Kb/s in Manchester or bi-phase code, this device is specially designed to meet the demands of RF low-cost data transmission systems. Its main applications are in the areas of aftermarket keyless entry systems, tire pressure monitoring systems, telemetering, consumer/industrial remote control applications, home entertainment, access control systems, and security technology systems. Frequency receiving range is 312.5 to 317.5MHz for ASK or FSK data transmission.