View mc3335re datasheet:

Order this document by MC3335/D MC3335 Low Power Narrowband FM Receiver . . . includes dual FM conversion with Oscillators, Mixers, Quadrature LOW POWER Discriminator, and Meter Drive/Carrier Detect Circuitry. The MC3335 also has a comparator circuit for FSK detection. DUAL CONVERSION • Complete Dual Conversion Circuitry FM RECEIVER • Low Voltage: VCC = 2.0 to 6.0 Vdc SEMICONDUCTOR • Low Drain Current (Typical 3.6 mA with VCC = 3.0 Vdc) TECHNICAL DATA • Excellent Sensitivity: – 3.0 dB Input Limiting = 0.7 µV • Externally Adjustable Carrier Detect Function • Separate Data Shaping Output Circuitry • Data Rate Up to 35000 Baud Detectable P SUFFIX PLASTIC PACKAGE • 60 dB RSSI Range CASE 738 • Low Number of External Parts Required • Manufactured in Motorola?s MOSAIC? Pro