Telex TR700 UHF Wireless Beltpack Transceiver

Telex TR700
UHF Wireless Beltpack Transceiver

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Telex TR700

Single channel UHF frequency agile wireless beltpack for use with the BTR-700. All metal cast magnesium case, an LCD based graphical user interface, Enhanced ClearScan™, Detachable antennas and an auto-sensing headset connector that automatically switches between lectret and dynamic headset mics.

Features:

Frequency agile. Choose from 1440 user selectable frequencies using the 700’s new revolutionary graphical user interface. Frequencies can be selected from groups of intermod free choices, or any frequency in 25 KHz increments. Select from 720 TX and 720 RX frequencies each from independent 18 MHz operational windows.
UHF operation. Both the BTR-700 and the TR-700s operate in the UHF band from 518 to 740 MHz. Bases and beltpacks operate in specific 18 MHz operational bands. Contact Telex customer service for complete operational band details.
Enhanced ClearScan™ frequency auto selection. Frequency selection has never been easier! This is an advanced form of our existing ClearScan technology. It actually looks at all of the available frequencies in the factory and user-defined groups and ranks them so that the user knows the best frequencies to use. Now you can walk into a new venue in a new city and have a clear set of frequencies in less than a minute with the push of a couple of buttons!
Intermodulation-free factory selected groups. Each 700 system comes with 24 factory selected, intermod avoiding groups that allow even the most uninitiated user to get started right out of the box. Telex has done all of the work for you!
Intelligent Power Control™. This new breakthrough technology takes system range and performance to a whole new level. Each beltpack senses when it is close to the base station and intelligently reduces its output by 10 dB. This effectively eliminates overloading the base station receiver front end which is the primary cause for the “near – far” desensing problem experienced in other wireless intercoms.
Cast magnesium beltpacks. TR-700 beltpacks are constructed of extremely light, strong and durable cast magnesium. That’s the metal “mag” wheels are made from! Using magnesium substantially decreases the weight of the beltpack while assuring the utmost ruggedness and durability.
Graphical user interface. Both the BTR-700 and the TR-700 have easy to use user interfaces utilizing state of the art LCD displays. Custom graphical menus on the BTR-700 allow access to all of the powerful features and system operational parameters. The menu structure has been specifically designed to be intuitive and easy to use right out of the box.
Detachable beltpack antennas. TR-700 beltpacks feature detachable antennas that utilize stud type threaded connectors that do not have a fragile center pin to break off or bend. Detachable antennas make storage or shipping a breeze.
Two great battery options. TR-700 beltpacks can be operated from standard Alkaline AA batteries that provide over 14 hours of continuous duty operation. For applications where rechargeable batteries are required optional NiMH battery packs are available. NiMH batteries do not develop harmful memories like NiCads and offer a full 11 hours of operation. Drop-in chargers are also available in single and four-gang configurations.

Specifications

RF Frequency Range: 518-608 MHz, 614-740 MHz in 18 MHz TX and RX bands
Power Requirement: 6 "AA" Cells Alkaline (NiMH optional)
Typical Battery Life
- Alkaline: 14 hours (continuous duty)
- NiMH (1500 mAh): 11 hours (continuous duty)
Current Draw: 140 mA (Push-to-Talk, Talk On)
Temp Range: -4° to 130° F (-20° to 55° C)
Dimensions (W x H x D): 3.75" x 5.05" x 1.65" (9.5 x 12.8 x 4.2 cm)
Weight: 15 oz (425 g)
Transmit Antenna: 1/4 Wave (supplied) Screw type
Receive Antenna: 1/4 Wave (supplied) Screw type
FCC ID: B5DM515
Frequency Response: 300 Hz-8 kHz
Microphone Input Sensitivity: 7 mV
Local Headset Output: 40 mW output into 600 ohms (1% Distortion)
Transmitter
- Type: Synthesized, 720 channels
- Transmit Power: 50 mW Max. (Auto-power reduction when close to base)
- Modulation Type: FM
- Deviation: 40 kHz
- RF Frequency Stability: 0.005%
- Modulation Limiter: Peak-Responding Compressor
- Radiated Harmonics & Spurious: Exceeds FCC speicifications
Receiver
- Type: Dual Conversion Superheterodyne, Synthesized, FM, 720 channels
- RF Sensitivity: <0.7 uV for 12 dB SINAD
- Squelch Threshold: 20dB SINAD (About 1.0uV)
- 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

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