♦ +2.1V to +3.6V or +4.5V to +5.5V Single-Supply Operation ♦ Single-Crystal Transceiver ♦ Factory-Preset Frequency (No Serial Interface Required) ♦ FSK Modulation ♦ Factory-Preset FSK Frequency Deviation ♦ +10dBm Output Power into 50Ω Load ♦ Integrat...