User's Manual

8A535X03 Rev. Preliminary-00 Page 17 of 17
OCR 900P Specifications
ELECTRICAL SPECIFICATIONS
OCR 900P
Frequency of Operation 931.0125 – 931.9875 MHz
Sensitivity -113 dBm
Input Carrier Detection Threshold -113 to -80 dBm
Carrier Detection Adjustment Step 1 dB
Carrier Detection Attack Time <2 ms
Max. Gain Range (Programmable)
On-Channel Repeater 70 to 140 dB
AGC Attack Time < 2 ms
AGC Decay Time < 2 ms
ERP Antenna Output Power 5W Maximum
OCR 900P Output Power 1 to 20 W (Antenna ERP cannot exceed 5W)
Duty Cycle 100%
Output Frequency Stability Tracks Input Signal Frequency
Passband Frequency Stability
900 MHz +/- 1.5ppm
(+/- 0.1 ppm With Optional External Ref. Generator)
Modulation Types Narrowband FM Voice, P25 Voice and Data
Channel Spacing 25 kHz / 12.5 kHz
Selectivity 25kHz / 12.5kHz >65 / > 55dB
Receiver Spurious Response
Rejection
> 70 dB
Receiver Intermodulation > 70 dB
Receiver Conducted Spurious
Emissions < -57 dBm
Transmitter Conducted Spurious
Emissions < -20 dBm
Transmitter FM Hum and Noise > 45 dB
Input / Output Impedance 50 Ohms
Input / Output VSWR < 2 : 1
Power Supply Voltage 22 to 28 VDC
Power Supply Current Drain
Standby
Transmit
< 0.45 A
< 4 A
MECHANICAL SPECIFICATIONS
RF Connectors SMA female
Environmental 90% humidity @ 50 °C (122°F)
Operating Temperature Range -30 to +60°C (-22 to +140°F)
Dimensions [H x D x W] 260 x 225 x 75 mm (10.25” x 8.86” x 2.95”)
Weight 4.09 kg (9 lb)