
XO-AP
XO-1
Base Station
Beltpack
Telex Legacy
2.4 GHz Wireless Intercom
The Telex Legacy series wireless intercom is a full duplex (simultaneous talk and listen), multi-channel wireless intercom system. The Telex Legacy system offers a complete solution for 2 to 14 users, fast and easy set-up, durable beltpacks, 64 bit audio 
encryption and selectable professional Telex headsets. Offering a standard 3 year warranty, Telex Legacy operates utilizing the 
license free IEEE 802.11b “WiFi” standard.
The Telex Legacy wireless intercom system incorporates the option of three audio channels that are selectable at each XO-1 
beltpack. The XO-1 beltpacks also provide the user independent volume control and headset microphone level control. The 
XO-1 built in Lithium Ion rechargeable battery packs that will provide up to 8 hours of uninterrupted operation.
The XO-AP base station automatically selects the RF (radio frequency) channel for communication with a feature called 
ClearScan. ClearScan is initiated at power up and automatically scans and sets the Telex Legacy base station to the best and 
clearest RF channel (1 – 11) for operation. The XO-AP provides a central relay location which routes the audio trafc between 
the XO-1 beltpacks. The base station also uses an internal rechargeable Lithium Ion battery that will provide up to 10 hours of 
uninterrupted operation or can be operated with the included wall mount AC power supply.
Features
License Free Operation
64 Bit Encrypted Audio
Full Duplex Operation
3 Audio Channels
Automatic RF Channel Selection via ClearScan
Independent Volume Control and Headset Mic Level Control
System Supports Up To 14 Headsets (Full-Duplex)
Easy Set-Up and Operation
Operates on IEEE 802.11b “WiFi” Standard
Operating Range Up To 800 ft, Line of Sight (Beltpack to 
Base Station)
Low Battery Indicators on Beltpack and Base Station
Battery Charge Indicators on Beltpack and Base Station
Line Drawing
XO-AP XO-1

Telex Legacy Specications
Overall 
Technology
2.4 GHz, IEEE 802.11b Wireless LAN Standard (WiFi)
FCC License
None Required (License Free Use)
Number of Users
2 to 14 Users per XO-AP Base Station (Full-Duplex)
Encryption
64 Bit (DES) Encryption Key
Battery Type
Lithium Ion Rechargeable (Base Station and Beltpack)
Battery Life – XO-AP
8-10 Hrs (Charge time 8 Hrs)
Battery Life – XO-1
6-8 Hrs (Charge time 6 Hrs)
Frequency Response
400 Hz to 5500 Hz
Dynamic Range
>75 dB
Antenna
XO-1 Beltpack = Internal 
XO-AP Base Station = External TNC-RP
Headsets
ONLY Dynamic Microphone can be used with XO-1 
Beltpack
Battery Status Indicators
Included on XO-1 and XO-AP
Charge Status Indicators
Included on XO-1 and XO-AP
Mic Level Adjustment
Programmable on XO-1, with Voice Prompts
Channel Indicators
XO-1 Beltpack – YES, Green LED 
XO-AP Base Station – YES, 7 Segment LED
Warranty
3 Year Warranty
Product Dimensions/Weight 
XO-1 Beltpack
5.25”D x 3.75”W x 1.68”H (13.33cm x 9.53cm x 
4.26cm),12 oz 
XO-AP Base Station
6.00”D x 6.40”W x 2.00”H (15.24cm x 16.26cm x 
5.08cm), 2 lb 3 oz 
Carry Case
23.50”D x 8.50”W x 20.50”H (59.69cm x 21.59cm x 
52.07cm), 12 lb 8 oz (Case Only)
Contact Information
Telex Communications, Inc. 
12000 Portland Avenue South 
Burnsville, Minnesota 55337 
Telephone: 877-863-4169 
Fax: (800) 323-0498
Form Number: LIT000062-000 Rev C 
Date: August 2008
Shipping Dimensions/Weight 
Telex Legacy
26”D x 9”W x 21”H (66.04cm x 22.86cm x 53.34cm), 
24 lbs 4 oz (11 kg)
Ordering Information
Legacy 3: 3 User System, Includes Beltpacks, Base 
Station, Antenna and Carry Case 
Catalog Number: 301950005 
Legacy 4: 4 User System, Includes Beltpacks, Base 
Station, Antenna and Carry Case 
Catalog Number: 301950006 
Legacy 5: 5 User System, Includes Beltpacks, Base 
Station, Antenna and Carry Case 
Catalog Number: 301950001 
Legacy 6: 6 User System, Includes Beltpacks, Base 
Station, Antenna and Carry Case 
Catalog Number: 301950007 
Legacy 7: 7 User System, Includes Beltpacks, Base 
Station, Antenna and Carry Case 
Catalog Number: 301950008 
Legacy 8: 8 User System, Includes Beltpacks, Base 
Station, Antenna and Carry Case 
Catalog Number: 301950009 
Legacy 9: 9 User System, Includes Beltpacks, Base 
Station, Antenna and Carry Case 
Catalog Number: 301950010 
Legacy 10: 10 User System, Includes Beltpacks, 
Base Station, Antenna and Carry Case 
Catalog Number: 301950011 
PH-100: Single Sided Headset with A4F connector 
Catalog Number: 301581007LG 
PH-200: Dual Sided Headset with A4F connector 
Catalog Number: 301581002LG 
HR-1: Single Sided Headset with A4F connector 
Catalog Number: 300534007LG 
HR-2: Dual Sided Headset with A4F connector 
Catalog Number: 300534000LG 
PH-1: Single Sided Headset with A4F connector 
Catalog Number: 64438100LG 
PH-2: Dual Sided Headset with A4F connector 
Catalog Number: 64437100LG 
LP-XO1: XO-1 Beltpack, Includes Battery Charger 
Catalog Number: 301950002 
LP-CC: Legacy Carry Case, Includes Antenna and 
Flex Mount 
Catalog Number: 301950004 
LG-Y: Headset Y Cable for Telex Legacy 
Catalog Number: 302054012 
ANT-FP: Dual Diversity, Flat Patch Antenna with Coax 
Catalog Number: 302054001 
ANT-FPM: Tilt and Swivel Antenna Mount Bracket 
Catalog Number: 302054000 
XOB: Adjustable Nylon Belt 
Catalog Number: 302054002
Telex Legacy Systems do not include headsets. Headsets must be ordered separately. 
Only Telex Headsets with dynamic microphones are compatible for use with Telex Legacy 
systems.
This specications information is preliminary and is subject to change without notication.
Brand names mentioned are the property of their respective companies.