Operating Manual

-5-
6. TECHNICAL SPECIFICATIONS
Operating Distance:
Approx. 2800 m (8400 ft) over level terrain.
500
-
1500 m (1500-4500 ft) in dense building district depend on the constructions site and RF electronic noise
level.
Frequency Coverage MHz 462.5625 ~ 467.7125 MHz
*CTCSS TONE (OPTION) 77 Hz
Antenna Impedance 50 Ohms Unbalance
Frequency Stability +/-2.5 ppm
Signal Type F3E (FM)
Power Supply Requirements 3.6V ~ 4.5V DC rechargeable (4.5V standard with 3 AA batteries)
Current Consumption@4.5V Transmitting: Approx. 500mA (High Power Receiving: Approx. 100mA Squelched)
Operating Temperature -10 to +60 Degrees Celsius 14 to 140 Degrees Fahrenheit
Ground Negative
Weight Approx. 14.5oz. (Batteries Included) 400 gr.
TRANSMITTER
*Output Power Max 500mW high power, 50mW low power / 10mW ERP
Emission Mode F3E (FM)
Modulation System Variable Reactance FM
Max. Freq. Deviation +/- 2.5KHz
Spurious Emission -60dB Or Under Below Carrier Level
Microphone Dynamic differential
Operating Mode Simplex / half duplex
RECEIVER
Receiver System Super Heterodyne Dual Conversion
Sensitivity 12dB SINAD : Less Than -15dBu
Squelch Sensitivity Less Than -17dBu
Intermediate Frequency 1st IF: 21.7MHz; 2nd IF: 450KHz
Selectivity More Than +/- 7.5KHz at -6dB
Audio Output No More Than 82 dBA
Speaker Impedance 220 Ohms
*Can be changed by the user
internally
Specifications are subject to
change without notice or
obligation.
ATTENUATION:
``Tested according to ANSI S3.19-1974
Frequency Hz 125 250 500 1000 2000 3150 4000 6300 8000 NRR value
TSQ - ON/OFF
ON = 462 -467
OFF = 433-434
ON = HIGH
OFF
=
LOW
ON = GRP 2
OFF
=
GRP 1