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BTR-240 Users Manual - Preliminary 

Page 7 of 8 

Rev D – 4 / 18 / 2011 

 

Specifications 

 
 
Technology……………………………………… 2.4 GHz, IEEE 802.11b 
Power……………………………………………. 12-15 VDC, external DC power supply 
Current Draw……………………………………. 1.1 Amps (max) 
 

 

 

 

RF Frequency Range…………………………….  802.11 Channels 1 – 11 (2.412 to 2.462GHz) 
Modulation Technology…………………………  CCK 
Antennas………………………………………… Reverse TNC jacks for external antennas 
RF Output Power (Terminated)…………………  100mW (maximum peak) 
Data rate…………………………….…………..  5.5 Mbps (locked into) 
Sensitivity (Worst case)…………………………  5.5Mbps, < -91dBm 
 

 

 

 

Frequency Response…………………………….. 400 Hz to 3900 Hz 
Dynamic Range………………………………….  66 dB 
Audio Output (headset)………………………….  100mW, 300 Ohms (1% Distortion) 
 

 

 

 

Beltpack Size……………………………………. 7.50L x 19W x 1.75H inches 
Beltpack Weight…………………………………  3 lb 7.5 oz 
FCC License……………………………………..  No License Required 
 

 

 
FCC

 

 
This device complies with Part 15 of FCC rules.  
Operation is subject to the following conditions: 
 
1.

 

This device may not cause harmful 
interference. 

 
2.

 

This device must accept any interference 
received, including interference that may 
cause undesired operation. 

 
3.

 

Use only the manufacturer or dealer supplied 
beltclip and/or accessories for this device. 

 
4.

 

This device must not be co-located or 
operated in conjunction with any other 
antenna or transmitter. 

 
 
 
The beltpack is intended to be worn on the 
belt of the user.  Placing the beltpack in other 
locations on the body may reduce 
performance and void the user’s authority by 
the FCC to operate. 
 
CAUTION: Any changes or modification not 
expressly approved by the party responsible 
for compliance could void the user’s 
authority to operate this equipment. 
 

 
 
 
 
 
 
 
 

Содержание BTR-240

Страница 1: ...wable channels of the 2 4 GHz ISM band Operation of the BTR 240 is license free The typical line of sight distances for the system may be 300 feet The transmit and receive antennas are connected via u...

Страница 2: ...ct options on the LCD 6 Volume control knob controls the volume for the local headset 7 Channel Select button Controls the intercom to which the local headset is connected Each press of the button cha...

Страница 3: ...wired in parallel The connectors are switched to the appropriate intercom configuration via the menu options 4 Wire an RJ 11jack compatible with Matrix type intercom systems 6 Intercom Channel 2 Inpu...

Страница 4: ...an be changed by two different methods Manual RF Channel Selection ClearScan NOTE The RF channel of operation setting is remembered and the unit will continue to boot on the same channel until it is s...

Страница 5: ...n Local Headset Volume Microphone and Sidetone Levels 2 1 Talk Button Pressing the Talk button on the front panel will enable and disable the audio path from the headset microphone The green talk ligh...

Страница 6: ...indicating that the base station is in set mode Now the Up and Down buttons can be used to increase and decrease the levels respectively Once the desired level is obtained the setting is selected and...

Страница 7: ...License Required FCC This device complies with Part 15 of FCC rules Operation is subject to the following conditions 1 This device may not cause harmful interference 2 This device must accept any inte...

Страница 8: ...could void the user s authority to operate this equipment Industrie Canada Cet appareil est conforme avec Industrie Canada RSS 210 des r gles Son fonctionnement est soumis aux conditions suivantes 1...

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