GENERAL DESCRIPTION
The ADF7020-1 is a low power, highly integrated FSK/GFSK/ASK/OOK/GOOK transceiver designed for operation in the low UHF and VHF bands. The ADF7020-1 uses an external VCO inductor that allows users to set the operating frequency anywhere between 135 MHz and 650 MHz.

FEATURES
Low power, low IF transceiver
Frequency bands
  135 MHz to 650 MHz, direct output
  80 MHz to 325 MHz, divide-by-2 mode
Data rates supported
  0.15 kbps to 200 kbps, FSK
  0.15 kbps to 64 kbps, ASK
  2.3 V to 3.6 V power supply
Programmable output power
  −20 dBm to +13 dBm in 63 steps
Receiver sensitivity
  −119 dBm at 1 kbps, FSK, 315 MHz
  −114 dBm at 9.6 kbps, FSK, 315 MHz
  −111.8 dBm at 9.6 kbps, ASK, 315 MHz
Low power consumption
  17.6 mA in receive mode
  21 mA in transmit mode (10 dBm output)
On-chip VCO and fractional-N PLL
On-chip 7-bit ADC and temperature sensor
Fully automatic frequency control loop (AFC) compensat for lower tolerance crystals
Digital RSSI
Integrated TRx switch
Leakage current <1 μA in power-down mode

APPLICATIONS
Low cost wireless data transfer
Wireless medical applications
Remote control/security systems
Wireless metering
Keyless entry
Home automation
Process and building control