Telex manual BTR-1 & TR-1 Specifications, Contact Information, Ordering Information

BTR-1 & TR-1 Specifications

Overall

RF Frequency Range

482 - 608 MHz, 614 - 746 MHz in 18 MHz TX and RX bands

BTR-1 Power Requirements

12-15 volts AC/DC @ 1 Amp

TR-1 Power Requirements

6 “AA” Cells Alkaline (NiMH optional)

Temperature Range

-4° F to 130° F (-20° C to 55° C)

TX Antenna

BTR-1: ½ wave (supplied), TNC Male Connector

TR-1: ¼ wave (supplied), Screw type Replaceable

RX Antenna

BTR-1: ½ wave (supplied), TNC Male Connector

TR-1: ¼ wave (supplied), Screw type Replaceable

FCC ID

BTR-1 (B5DM519), TR-1 (B5DM520)

Frequency Response

100 Hz - 4.0 kHz

4-Wire Input and Output

Level Adjustable (2 Vrms typical)

Telex Intercom

Input/Output Level Adjustable (1 Vrms typical), Line Impedance 300W

RTS Intercom

Input/Output Level Adjustable (0.775 Vrms typical), Line Impedance 200W

Clear-Com Intercom

Input/Output Level Adjustable (1 Vrms typical), Line Impedance 200W

Auxiliary Input

Level Adjustable (2 Vrms typical)

Auxiliary Output

Level Adjustable (2 Vrms typical into 600W)

Microphone Input Sensitivity

BTR-1: 10 mV (200W Source)

TR-1: 7 mV (200W Source)

Local Headset Output

200 mW output into 150W (1% Distortion)

Mute of Wire Income Port

100 dB (30 kHz Low Pass Filtered)

TR-1 Current Draw

190 mA (Push-to-Talk, Talk On)

Transmitter

Type

Synthesized Transmitter, 720 channels

Transmit Power

50 mW typical (High), 5 mW typical (Normal)

Modulation Type

GMSK

Deviation

Complies with FCC 74.861

RF Frequency Stability 0.005%

Radiated Harmonics & Spurious Exceeds FCC specifications

Receiver

Type

Dual Conversion Superheterodyne, 720 channels each

RF Sensitivity

<0.8 μV for 12 dB SINAD

IF Selectivity

3 dB at 230 kHz

Image Rejection

70 dB or better

RF Frequency Stability

0.005%

Distortion

<1% at peak level

S/N Ratio out to wired Intercom Ports

80 dB (30 kHz Low Pass Filtered)

Product Dimensions/Weight

BTR-1

8.25”W x 1.72”H x 9.00”D (20.9cm x 4.4cm x 22.9cm), 3 lbs 8 oz (1.59 kg)

TR-1

3.75”W x 1.65”H x 5.10”D (9.5cm x 12.9cm x 4.2cm), 15 oz (425g) with alkaline batteries

Shipping Dimensions/Weight

BTR-1

12”W x 4”H x 16”D (30.48cm x 10.16cm x 40.64cm), 6 lbs 3 oz (2.86 kg)

TR-1

7”W x 4”H x 14”D (17.78cm x 10.16cm x 35.56cm), 1 lb 4 oz (.635 kg)

Contact Information

Telex Communications, Inc.

12000 Portland Avenue South

Burnsville, Minnesota 55337

Telephone: 877-863-4169

Fax: (800) 323-0498

Form Number: LIT000267000 Rev A

Date: August 2008

Ordering Information

BTR-1

UHF-Synthesized Digitally Encrypted Base Station

Transceiver

Catalog Number: 71897XX

TR-1

UHF-Synthesized Digitally Encrypted Beltpack

Transceiver

Catalog Number: 71898XX

This specifications information is preliminary and is subject to change without notification.

Brand names mentioned are the property of their respective companies.