Operating instructions

RF Technology R350/R500 Page 17
7.2 Physical Configuration 7 SPECIFICATIONS
7.3.2 Indicators
Power ON - Green LED
Squelch Open - Yellow LED
Fault Indicator - Flashing Red LED
7.3.3 Test Points
Line Output Level – Pin 6 + Gnd (pin 1).
Receive Signal Strength – Pin 7 + Gnd (pin 1).
Tuning Voltage – Pin 9 + Gnd (pin 1).
Serial Data (RS232) – Pins 2/3 + Gnd (pin 1).
7.4 Electrical Specifications
7.4.1 Power Requirements
Operating Voltage - 10.5 to 16 Vdc
Current Drain - 450mA Max.
Polarity - Negative Ground
7.4.2 Frequency Range and Channel Spacing
Frequency 25 kHz 12.5 kHz
350-380 MHz R350A R350AN
370-400 MHz R350B R350BN
400-430 MHz R500A R500AN
450-490 MHz R500B R500BN
485-520 MHz R500C R500CN