Digital Latency :
1.5 mS (receiver only - hybrid mode)
3.0 mS (receiver and transmitter in hybrid mode)
3.0 mS (receiver only - analog compatibility mode)
Frequency Selection : 256 frequencies in 100 kHz steps per 25.5 MHz frequency block
Channel Spacing : 100 kHz
Dual Block Range : Built in antenna multicoupler covers a two block range
Pilot Tone : 25 to 32 kHz; 5kHz deviation; unique pilot tone frequency for each selected carrier frequency (Hybrid mode)
Deviation : +/- 75 kHz (max) (Hybrid mode)
Receiver Type : Triple conversion superheterodyne
Frequency Stability : +/- 0.001 %
Sensitivity (20 dB Sinad) : 0.9 uV
AM Rejection : >60 dB, 2 uV to 1 Volt
Image and Spurious Rejection : 85 dB
Diversity Methods : Switched, ratio and frequency
FM Detector : Digital pulse counting detector @ 300 kH

Audio Performance (Overall System) :
Frequency Response - 32 Hz to 20 kHz (+/- 1 dB; 400 Series mode)
THD - 0.2 % (typical, 400 Series mode)

Input Dynamic Range : 125 dB (with full Tx limiting)
Audio Output Level : -15 dBu to +8 dBu, in 1 dB increments
LCD : 122 x 32 graphical display
Power Requirements : 10 to 18 VDC; 17.2 W max. (1.72 A @ 10 VDC to 1.05 A @ 18 VDC)
Dimensions : 4.45 x 48.26 x 19.67 cm (1.75 x 19 x 7.75 in) panel to rear jacks