Campbell Scientific RF310, RF312, RF313 Narrowband Radios - Manual (Page 67)

Appendix F. Specifications
F-3
12.5 kHz CP < 40Db with PSOPH
Receiver Response Time <16 mS
Squelch Opening Range RF level for 6 to 14 dB Sinad
Squelch Closing Range (Hysteresis) 0 - 6 dB Sinad @ Nominal Condition
Squelch Attack Time:
RF Level at Threshold
RF Level at Threshold + 20 dB
< 40 ms
<30 mS
Squelch Decay Time 5 mS Min., 20 mS. Max.
Antenna Socket Input Match 10 dB Return Loss
L.O. frequency Temperature Stability 1
st
<5ppm, 2
nd
< 15ppm from -30 to 60
°C
L.O. Frequency Aging rate -2ppm/year
Specifications Reference Crystal
Frequency 12.8 MHz
Holder Type HC-18
Temperature Characteristic -5.0 ppm from -30 C to +60 C
Aging Rate < 2 ppm/year in 1
st
Year, < 1 ppm/year thereafter
Lock Time < 10 mS
TX to RX < 20 (No Power Saving)
RX to TX < 20
Due to continuing research and development the company reserves the right to
alter these specifications without prior notice.