RTS BTR-800, Operating Instructions Manual

Page: 17 / 88

BTR-800, TR-800, TR-825 TR-825 Beltpack 19
TR-825 Specifications
RF Frequency Range
US/Canada TX Range
572-608 MHz in 18 MHz TX bands
653-663 MHz for 3 band
470-488 MHz for 88 band
TX Range (rest of the world)
572-608, 614-722 MHz in 18 MHz TX bands
RX Range
482-608 MHz in 18 MHz RX bands
Power Requirements
6 AA Cells Alkaline (NiMH optional)
Current Draw
190 mA (Push-to-Talk, A and B Talk On)
Temperature Range
-4° F to 130° F (-20° C to 55° C)
Dimensions
3.75” W x 5.35” H x 2.02” D

(9.5 cm x 13.5 cm x 5.1 cm)
Weight
21 oz (595 g) with alkaline batteries
TX Antenna
1/4 Wave (supplied), Screw type, Replaceable
RX Antenna
1/4 Wave (supplied), Screw type, Replaceable
FCC ID
B5DM517
B5DM537
Frequency Response
300 Hz - 8 kHz
Microphone input sensitivity
7 mV
Local Headset Output
40 mW output into 600
Ω
(1% distortion)
Transmitter
Type
Synthesized
Transmit Power
50 mW Max (auto-power reduction)
20 mW Max in US 3 Band, 653-663 MHz, (auto-
power reduction)
Modulation Type
FM
Deviation
40 kHz
RF Frequency Stability
0.005%
Modulation Limiter
Peak-Responding Compressor
Radiated Harmonics & Spurious
Exceeds FCC specifications
Receiver
Type
Two, Dual Conversion Superheterodyne,
Synthesized, FM
RF Sensitivity
<0.8
μ
V for 12 dB SINAD
Squelch Threshold
20 dB SINAD (about 1.0
μ
V)
IF Selectivity
3 dB at 230 kHz
Image Rejection
70 dB or better
Squelch Quieting
90 dB
RF Frequency Stability
0.005%
Distortion
<1% at full deviation