Telex BTR-300 TR-300 BELT-PACK Transceiver, Technical Information Specifications TR-300

TR-300 BELT-PACK TRANSCEIVER

TECHNICAL INFORMATION

	SPECIFICATIONS TR-300
	Overall
Power Requirements	..............................................................6 AA cells (Alkaline, NEDA, MN 1500)
	Nickel-metal hydride optional
Current Drain	typical 82 mA
Temperature Range	-4°F to 130°F (-20°C to 55°C)
Dimensions	4.25” W x 4.125” H x 2.0” D
	(108mm x 105mm x 51 mm)
Weight	13 oz (369g) with batteries
Transmit Antenna	1/4-wave wire (attached)
Receive Antenna	1/4-wave wire (attached)

	Transmit
RF Frequency Range	150-216 MHz
RF Frequency Stability	Crystal Controlled, 0.005%
RF Power Output	50 mW Typical
Modulation	FM, 3000 Hz deviation,
	115 micro-seconds Pre-emphasis
Modulation Limiter	Internal Compressor
Modulation Frequency Range	300 to 5000 Hz +/_ 2 dB
Microphone Audio Input	30 to 3500 ohms
Microphone Input Sensitivity	2 mV Dynamic, 4 mV Electret
Radiated Harmonics and Spurious Emissions	-45 dBC,
	Exceeds FCC Specifications
FCC	Type Accepted Under Parts 90 and 74

	Receive
RF Frequency Range	150-216 MHz
RF Frequency Stability	Crystal Controlled, 0.005% Type
	Dual Conversion Superheterodyne, FM
RF Sensitivity	Less than 0.5 µV for 12 dB SINAD
IF Selectivity	3 dB at 30 kHz (Ceramic Filter)
Image Rejection	70 dB or better
Squelch Quieting	90 dB
Squelch Threshold	3.0 µV (Internal)
Signal-to-Noise Ratio	90 dB
Audio Output	32 mW into 600 ohms (Headset)
Distortion	Less than 1% at Rated Output

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