1. CONFIDENTIAL Page 1 MICRF505 Summary u Smaller: l Very High Level of Integration l 5x5mm MLF-32 Package u Easier: l Fewer External Components To Select l Less critical layout of PCB u Better: l Excellent Sensitivity and Transmit Power l Frequency Hopping further enhances RF link

2. CONFIDENTIAL Page 2 Small Package, High Integration, Low BOM BOM PartQTYPrice (USD) C11$0.11 L1$0.25 R3$0.01 X-tal1$0.35 Total$0.72 Prices in 10k qty

3. CONFIDENTIAL Page 3 MICRF505 – Typical Application Output Filter (Only RF interfacing) Loop Filter (User Configurable To Accommodate Wide Range of Data-Rates) Supply Bypass RSSI Filter (Only Required if RSSI Output Using) Crystal (Internally Trimmed By MICRF505)

4. CONFIDENTIAL Page 4 MICRF505 –I/O Antenna Pin Internally Matched To 50Ohms Using On-Board Inductors Data I/O With Clock 3-Wire SPI To Configure MICRF505 Lock Detect and RSSI Output

5. CONFIDENTIAL Page 5 MICRF505 - Block diagram T/R Switch On-Board Crystal Tuning Clock/Data Recovery Integrated Filters

6. CONFIDENTIAL Page 6 MICRF505 – Key Specifications ParameterTypUnit Frequency915/868MHz Output Power<10dBm Data rate<200kbps Sensitivity 1 -112dBm TX Current 2 28mA RX Current13mA Power down<1uA notes: 1 2400bps 2+ 10dBm, 2.5V Supply voltage

7. CONFIDENTIAL Page 7 MICRF505 – Implementation Attributes u MLF32 Package:Size 5x5mm u Low cost crystal, 30-50ppm u 11 capasitors, 3 resistors and 1 inductor u Can be implemented using simple two layer PCB u Minimum PCB size using 0402 components: ½ x ½ inch How Do We Do It?  Fully integrated VCO  Integrated spiral inductors  Integrated varactors  Built-in T/R Switch  No mechanical filters  On chip 50 ohm antenna port

8. CONFIDENTIAL Page 8 MICRF505 – Features summary u Digital bit synchronizer u RSSI (signal strength) u Lock detector u RX and TX power management u Power down function (<1uA) Received frequency error estimator Reference crystal tuning capabilities Baseband shaping Three wire SPI interface Register readback function