Telex Intercom TR-240-A4F, F.01U.169.594 - 2.4Ghz Wireless Belt Pack A4F
Item #: tr-240-a4f-na-telex-intercom
Telex Intercom TR-240-A4F - 2.4Ghz Wireless System with A4F Headset Jack F.01U.169.594. TR-240 Great for a tour group or inspection teams. Up to 8 full-duplex or unlimited half-duplex wireless belt pac...
Sale Price: $940.58
More Info

Shop All Buy Best Sellers Telex Intercom

Buy Best Sellers Telex Intercom
Telex Intercom 2TX800KIT, F.01U.143.302 - RKP-4 Two Transmitter Output Modification kit for BTR-800 - User installed.

Telex Intercom 2TX800KIT, F.01U.143.302 - RKP-4 Two Transmitter Output Modification kit for BTR-800 - User installed.

Reg. Price: $398.00
Sale Price: $344.07
Telex Intercom 4015-100, F.01U.143.112 - 4000 Series IFB Systems 100ft. 25-pair Cable Assembly.

Telex Intercom 4015-100, F.01U.143.112 - 4000 Series IFB Systems 100ft. 25-pair Cable Assembly.

Reg. Price: $391.00
Sale Price: $338.02
Telex Intercom 4015-50, F.01U.117.430 - 4000 Series IFB Systems 50ft. 25-pair Cable Assembly.

Telex Intercom 4015-50, F.01U.117.430 - 4000 Series IFB Systems 50ft. 25-pair Cable Assembly.

Reg. Price: $251.00
Sale Price: $216.99
Telex Intercom 4025A, F.01U.118.511 - 4000 Series IFB Systems 1 X 4 50 pin Passive Splitter.

Telex Intercom 4025A, F.01U.118.511 - 4000 Series IFB Systems 1 X 4 50 pin Passive Splitter.

Reg. Price: $397.00
Sale Price: $343.21
Telex Intercom AB-2, F.01U.118.161 - UHF Antennas and Accessories Universal bracket for 1/2 wave antenna w/10' coax cable.

Telex Intercom AB-2, F.01U.118.161 - UHF Antennas and Accessories Universal bracket for 1/2 wave antenna w/10' coax cable.

Reg. Price: $93.90
Sale Price: $81.18
Telex Intercom APS1 COMB_SPLT, F.01U.118.493 - COMB_SPLT UHF Antennas and Accessories APS-1 Antenna Combiner/Splitter for two to one input/output.

Telex Intercom APS1 COMB_SPLT, F.01U.118.493 - COMB_SPLT UHF Antennas and Accessories APS-1 Antenna Combiner/Splitter for two to one input/output.

Reg. Price: $327.00
Sale Price: $282.69
Telex Intercom BC800NM, F.01U.149.225 - Single bay NMH charger for TR-1/ 700/ 800/ 825/ 80N/and one  battery pack.

Telex Intercom BC800NM, F.01U.149.225 - Single bay NMH charger for TR-1/ 700/ 800/ 825/ 80N/and one battery pack.

Reg. Price: $448.00
Sale Price: $403.00
Telex Intercom BP-240, F.01U.149.581 - Battery Pack for TR-240

Telex Intercom BP-240, F.01U.149.581 - Battery Pack for TR-240

Reg. Price: $98.90
Sale Price: $89.00
Telex Intercom BP-700, F.01U.118.307 -  Alkaline battery holder TR-1/ 700/ 800/ 825/ 80N/ RKP-4

Telex Intercom BP-700, F.01U.118.307 - Alkaline battery holder TR-1/ 700/ 800/ 825/ 80N/ RKP-4

Reg. Price: $63.70
Sale Price: $55.07
Telex Intercom BP800NM, F.01U.139.547 -  NMH battery pack for TR1/ 700/ 800/ 825/ 80N/ RKP-4.

Telex Intercom BP800NM, F.01U.139.547 - NMH battery pack for TR1/ 700/ 800/ 825/ 80N/ RKP-4.

Reg. Price: $148.00
Sale Price: $133.00
Telex Intercom BPA-2, F.01U.118.474 - 1/4 wave beltpack antenna, 488-556 mhz

Telex Intercom BPA-2, F.01U.118.474 - 1/4 wave beltpack antenna, 488-556 mhz

Reg. Price: $48.20
Sale Price: $41.67
Telex Intercom BPA-3, F.01U.118.475 - 1/4 wave beltpack antenna, 556-636 MHz Yellow.

Telex Intercom BPA-3, F.01U.118.475 - 1/4 wave beltpack antenna, 556-636 MHz Yellow.

Reg. Price: $48.20
Sale Price: $41.67
Telex Intercom BPA-4, F.01U.118.476 -  1/4 wave beltpack antenna, 636-726 mhz

Telex Intercom BPA-4, F.01U.118.476 - 1/4 wave beltpack antenna, 636-726 mhz

Reg. Price: $48.20
Sale Price: $41.67
Telex Intercom BSL-1, F.01U.110.758 - VHF Wireless Accessories Spare battery sled for TR200/300.

Telex Intercom BSL-1, F.01U.110.758 - VHF Wireless Accessories Spare battery sled for TR200/300.

Reg. Price: $33.80
Sale Price: $29.22
Telex Intercom BT-1, F.01U.118.135 - F.01U.118.135 - BT-1, Replacement Eartip For ET-1 Eartip (Bag Of 25).

Telex Intercom BT-1, F.01U.118.135 - F.01U.118.135 - BT-1, Replacement Eartip For ET-1 Eartip (Bag Of 25).

Reg. Price: $70.50
Sale Price: $64.00
Telex Intercom BT-3, F.01U.117.907 - F.01U.117.907 - BT-3, Medium Earcones For Use With ET-4 (Bag of Five).

Telex Intercom BT-3, F.01U.117.907 - F.01U.117.907 - BT-3, Medium Earcones For Use With ET-4 (Bag of Five).

Reg. Price: $30.50
Sale Price: $28.00
Telex Intercom C2, F.01U.120.928 - F.01U.120.928 - C2, Foam Ear Cushion for PH81 & PH85 Full Cushion Headsets (1) Gray.

Telex Intercom C2, F.01U.120.928 - F.01U.120.928 - C2, Foam Ear Cushion for PH81 & PH85 Full Cushion Headsets (1) Gray.

Reg. Price: $17.48
Sale Price: $15.11
Telex Intercom C-4, F.01U.117.982 - F.01U.117.982 - C-4, Ear Cushion, Moleskin, For PH100/PH200.

Telex Intercom C-4, F.01U.117.982 - F.01U.117.982 - C-4, Ear Cushion, Moleskin, For PH100/PH200.

Reg. Price: $19.96
Sale Price: $17.26
Telex Intercom C-8, F.01U.109.819 - F.01U.109.819 - C-8, Ear Cushion, leather style, For PH44/PH88.

Telex Intercom C-8, F.01U.109.819 - F.01U.109.819 - C-8, Ear Cushion, leather style, For PH44/PH88.

Reg. Price: $10.66
Sale Price: $10.00
Telex Intercom C-9, F.01U.295.625 - F.01U.295.625 - C-9, Ear Cushion, leather style, For HR series.

Telex Intercom C-9, F.01U.295.625 - F.01U.295.625 - C-9, Ear Cushion, leather style, For HR series.

Reg. Price: $38.70
Sale Price: $35.00
Telex Intercom CC-1, F.01U.117.909 - F.01U.117.909 - CC-1, Cushion Cover Sock (Black) For Full Cushion Headset (1).

Telex Intercom CC-1, F.01U.117.909 - F.01U.117.909 - CC-1, Cushion Cover Sock (Black) For Full Cushion Headset (1).

Reg. Price: $13.15
Sale Price: $11.37
Telex Intercom CES-1, F.01U.118.418 - CES-1 Complete Earset - Includes RTV-04,CMT-2,ET-4. 125 Ohm, 5' (1.5M) Cord, 1/4" Plug.

Telex Intercom CES-1, F.01U.118.418 - CES-1 Complete Earset - Includes RTV-04,CMT-2,ET-4. 125 Ohm, 5' (1.5M) Cord, 1/4" Plug.

Reg. Price: $107.00
Sale Price: $97.00
Telex Intercom CES-2, F.01U.118.419 - Complete earset.

Telex Intercom CES-2, F.01U.118.419 - Complete earset.

Reg. Price: $107.00
Sale Price: $97.00
Telex Intercom CHG-240, NA, F.01U.168.552 - NA 4 Bay Battery Charger for BP-240 Batteries

Telex Intercom CHG-240, NA, F.01U.168.552 - NA 4 Bay Battery Charger for BP-240 Batteries

Reg. Price: $919.00
Sale Price: $827.00
Telex Intercom CIA-1000 (FRONT), F.01U.118.683 - Rackmount Call light indicator, Front

Telex Intercom CIA-1000 (FRONT), F.01U.118.683 - Rackmount Call light indicator, Front

Reg. Price: $513.00
Sale Price: $443.49
Telex Intercom CMT-2, F.01U.118.023 - F.01U.118.023 - CMT-2, Telethin� Cord (Gray), 5' (1.5M) with 1/4" Straight Connector.

Telex Intercom CMT-2, F.01U.118.023 - F.01U.118.023 - CMT-2, Telethin� Cord (Gray), 5' (1.5M) with 1/4" Straight Connector.

Reg. Price: $41.40
Sale Price: $37.00
Telex Intercom CTC, F.01U.149.530 - UHF Antennas and Accessories BTR-80N Can Bus Termination Cable.

Telex Intercom CTC, F.01U.149.530 - UHF Antennas and Accessories BTR-80N Can Bus Termination Cable.

Reg. Price: $52.60
Sale Price: $45.47
Telex Intercom ET-1B, F.01U.163.624 - F.01U.163.624 - ET-1, Eartip, Clear Colored Tip With Metal Plug.

Telex Intercom ET-1B, F.01U.163.624 - F.01U.163.624 - ET-1, Eartip, Clear Colored Tip With Metal Plug.

Reg. Price: $13.38
Sale Price: $12.00
Telex Intercom ET-4, F.01U.118.134 - Coiled acoustic eartube with clothing clip

Telex Intercom ET-4, F.01U.118.134 - Coiled acoustic eartube with clothing clip

Reg. Price: $40.10
Sale Price: $36.00
Telex Intercom FA-GW-RS, F.01U.241.421 - UHF Antennas and Accessories FA-GW 1/2 Wave Flex Antenna 610-710 MHZ

Telex Intercom FA-GW-RS, F.01U.241.421 - UHF Antennas and Accessories FA-GW 1/2 Wave Flex Antenna 610-710 MHZ

Reg. Price: $56.80
Sale Price: $49.10
Telex Intercom FA-RW-RS, F.01U.241.420 - UHF Antennas and Accessories FA-RW 1/2 Wave Flex Antenna 470-550 MHZ

Telex Intercom FA-RW-RS, F.01U.241.420 - UHF Antennas and Accessories FA-RW 1/2 Wave Flex Antenna 470-550 MHZ

Reg. Price: $56.80
Sale Price: $49.10
Telex Intercom FA-YW-RS, F.01U.241.419 - UHF Antennas and Accessories FA-YW 1/2 Wave Flex Antenna 525-610 MHZ

Telex Intercom FA-YW-RS, F.01U.241.419 - UHF Antennas and Accessories FA-YW 1/2 Wave Flex Antenna 525-610 MHZ

Reg. Price: $56.80
Sale Price: $49.10
Telex Intercom HE-15, F.01U.118.889 - F.01U.118.889 - HE-15, 15' Headset Extension Cable - A4M/F.

Telex Intercom HE-15, F.01U.118.889 - F.01U.118.889 - HE-15, 15' Headset Extension Cable - A4M/F.

Reg. Price: $103.00
Sale Price: $89.04
Telex Intercom HE-30, F.01U.132.254 - F.01U.132.254 - HE-30, 30' Headset Extension Cable - A4M/F.

Telex Intercom HE-30, F.01U.132.254 - F.01U.132.254 - HE-30, 30' Headset Extension Cable - A4M/F.

Reg. Price: $137.00
Sale Price: $118.44
Telex Intercom HR-1 A4F, F.01U.117.468 - Single-Sided Full Cushion Medium Weight Noise Reduction Headset, A4F Connector.

Telex Intercom HR-1 A4F, F.01U.117.468 - Single-Sided Full Cushion Medium Weight Noise Reduction Headset, A4F Connector.

Reg. Price: $332.00
Sale Price: $299.00
Telex Intercom HR-2 A4F, F.01U.117.460 - Dual-Sided Full Cushion Medium Weight Noise Reduction Headset, A4F Connector.

Telex Intercom HR-2 A4F, F.01U.117.460 - Dual-Sided Full Cushion Medium Weight Noise Reduction Headset, A4F Connector.

Reg. Price: $362.00
Sale Price: $326.00
Telex Intercom HR-2 A5M, F.01U.117.463 - Dual-sided headset with flexible dynamic boom mic

Telex Intercom HR-2 A5M, F.01U.117.463 - Dual-sided headset with flexible dynamic boom mic

Reg. Price: $362.00
Sale Price: $326.00
Telex Intercom ICW-6, F.01U.143.303 - AudioCom Window intercom mountable full duplex security, Boom-Mic not included

Telex Intercom ICW-6, F.01U.143.303 - AudioCom Window intercom mountable full duplex security, Boom-Mic not included

Reg. Price: $898.00
Sale Price: $808.00
Telex Intercom LH-300-DM-A5M, F.01U.307.554 - F.01U.307.554 - LH-300, SINGLE SIDE, DYNAMIC MIC, A5M.

Telex Intercom LH-300-DM-A5M, F.01U.307.554 - F.01U.307.554 - LH-300, SINGLE SIDE, DYNAMIC MIC, A5M.

Reg. Price: $240.00
Sale Price: $216.00
Telex Intercom LH-302-DM-A5M, F.01U.307.547 - F.01U.307.547 - LH-302, DOUBLE SIDE, DYNAMIC MIC, A5M.

Telex Intercom LH-302-DM-A5M, F.01U.307.547 - F.01U.307.547 - LH-302, DOUBLE SIDE, DYNAMIC MIC, A5M.

Reg. Price: $249.00
Sale Price: $224.00
Telex Intercom LH-302-DM-PT, F.01U.307.550 - F.01U.307.550 - LH-302, DOUBLE SIDE, DYNAMIC MIC, PT.

Telex Intercom LH-302-DM-PT, F.01U.307.550 - F.01U.307.550 - LH-302, DOUBLE SIDE, DYNAMIC MIC, PT.

Reg. Price: $237.00
Sale Price: $204.89
Telex Intercom MCP1, F.01U.118.821 - Dual rackmount kit for ssa-324/ssa-424

Telex Intercom MCP1, F.01U.118.821 - Dual rackmount kit for ssa-324/ssa-424

Reg. Price: $200.00
Sale Price: $172.90
Telex Intercom MCP-90-0, F.01U.120.438 - Microphones Flushmount gooseneck mic with electret element.

Telex Intercom MCP-90-0, F.01U.120.438 - Microphones Flushmount gooseneck mic with electret element.

Reg. Price: $222.00
Sale Price: $200.00
Telex Intercom MCP-90-12, F.01U.120.439 - AudioCom Window Gooseneck mic with electret element 12 inch length (30.5cm).

Telex Intercom MCP-90-12, F.01U.120.439 - AudioCom Window Gooseneck mic with electret element 12 inch length (30.5cm).

Reg. Price: $260.00
Sale Price: $234.00
Telex Intercom MCP-90-18, F.01U.120.440 - AudioCom Window Gooseneck mic with electret element 18 inch length (45.7cm).

Telex Intercom MCP-90-18, F.01U.120.440 - AudioCom Window Gooseneck mic with electret element 18 inch length (45.7cm).

Reg. Price: $282.00
Sale Price: $254.00
Telex Intercom MCP-90-8, F.01U.120.442 - Microphones Gooseneck mic with electret element 8 inch length (20.3cm).

Telex Intercom MCP-90-8, F.01U.120.442 - Microphones Gooseneck mic with electret element 8 inch length (20.3cm).

Reg. Price: $254.00
Sale Price: $229.00
Telex Intercom MCS-325, F.01U.118.524 - User Stations 5 watt passive modular loudspeaker without volume control. 1RU by 1/2 rack wide.

Telex Intercom MCS-325, F.01U.118.524 - User Stations 5 watt passive modular loudspeaker without volume control. 1RU by 1/2 rack wide.

Reg. Price: $305.00
Sale Price: $263.67
Telex Intercom ME-50/2, F.01U.118.906 - 2 Chan Cables 50' (15.2m)Super flex channel cable w/XLR-6 M/F connectors.

Telex Intercom ME-50/2, F.01U.118.906 - 2 Chan Cables 50' (15.2m)Super flex channel cable w/XLR-6 M/F connectors.

Reg. Price: $258.00
Sale Price: $223.04
Telex Intercom ME-6/2, F.01U.148.679 - 2 Chan Cables 6' (1.83m) Super flex channel cable s/XLR-6 M/F connectors.

Telex Intercom ME-6/2, F.01U.148.679 - 2 Chan Cables 6' (1.83m) Super flex channel cable s/XLR-6 M/F connectors.

Reg. Price: $86.10
Sale Price: $74.43
Telex Intercom PH-44, F.01U.117.497 - F.01U.117.497 - PH-44, Dual-Sided Lightweight Headset, 6' (18M) Cord, A4F Connector.

Telex Intercom PH-44, F.01U.117.497 - F.01U.117.497 - PH-44, Dual-Sided Lightweight Headset, 6' (18M) Cord, A4F Connector.

Reg. Price: $263.00
Sale Price: $237.00
Telex Intercom PH-44A5, F.01U.117.499 - F.01U.117.499 - PH-44, Dual-Sided Lightweight Headset, 6' (18M) Cord, A5F Connector.

Telex Intercom PH-44A5, F.01U.117.499 - F.01U.117.499 - PH-44, Dual-Sided Lightweight Headset, 6' (18M) Cord, A5F Connector.

Reg. Price: $263.00
Sale Price: $237.00
Telex Intercom PH-44R5, F.01U.117.500 - F.01U.117.500 - PH-44, Dual-Sided Lightweight Headset, 6' (18M) Cord, A5M Connector.

Telex Intercom PH-44R5, F.01U.117.500 - F.01U.117.500 - PH-44, Dual-Sided Lightweight Headset, 6' (18M) Cord, A5M Connector.

Reg. Price: $263.00
Sale Price: $237.00
Telex Intercom PH-88-IC3, F.01U.117.494 - Single-Sided Lightweight Headset 9' ord with 1/8" Split Feed - for use Models #IC-W3 and #IC-W6

Telex Intercom PH-88-IC3, F.01U.117.494 - Single-Sided Lightweight Headset 9' ord with 1/8" Split Feed - for use Models #IC-W3 and #IC-W6

Reg. Price: $261.00
Sale Price: $235.00
Telex Intercom PH-88R, F.01U.117.490 - F.01U.117.490 - PH-88, Single-Sided Lightweight Headset, 6' (18M) cord, A4M Connector.

Telex Intercom PH-88R, F.01U.117.490 - F.01U.117.490 - PH-88, Single-Sided Lightweight Headset, 6' (18M) cord, A4M Connector.

Reg. Price: $254.00
Sale Price: $229.00
Telex Intercom PH-88R5, F.01U.117.491 - F.01U.117.491 - PH-88, Single-Sided Lightweight Headset, 6' (18M) Cord, A5M Connector.

Telex Intercom PH-88R5, F.01U.117.491 - F.01U.117.491 - PH-88, Single-Sided Lightweight Headset, 6' (18M) Cord, A5M Connector.

Reg. Price: $254.00
Sale Price: $229.00
Telex Intercom PTT-A5M, F.01U.140.431 - F.01U.140.431 - PTT Hand Mic, Noise Cancelling with A5M connector.

Telex Intercom PTT-A5M, F.01U.140.431 - F.01U.140.431 - PTT Hand Mic, Noise Cancelling with A5M connector.

Reg. Price: $168.00
Sale Price: $145.24
Telex Intercom RA-7, F.01U.117.871 - Omni Antenna (7db) with TNC reverse polarity connector

Telex Intercom RA-7, F.01U.117.871 - Omni Antenna (7db) with TNC reverse polarity connector

Reg. Price: $87.80
Sale Price: $75.90
Telex Intercom RM-D, F.01U.118.157 - Wireless IFB Systems Dual rack mount for 1/2 components -RE-2 FMR-500 ST-300 and TT-16.

Telex Intercom RM-D, F.01U.118.157 - Wireless IFB Systems Dual rack mount for 1/2 components -RE-2 FMR-500 ST-300 and TT-16.

Reg. Price: $93.90
Sale Price: $81.18
Telex Intercom RMK-D BLACK, F.01U.118.553 - Dual rackmount for 1/2 wireless components

Telex Intercom RMK-D BLACK, F.01U.118.553 - Dual rackmount for 1/2 wireless components

Reg. Price: $108.00
Sale Price: $93.37
Telex Intercom RPT-25, F.01U.144.928, 25 Foot Coax Cable with TNC - 25 Foot Coax Cable with TNC Reverse Polarity Connector

Telex Intercom RPT-25, F.01U.144.928, 25 Foot Coax Cable with TNC - 25 Foot Coax Cable with TNC Reverse Polarity Connector

Reg. Price: $110.00
Sale Price: $95.10
Telex Intercom SS-2002, F.01U.118.745 - AudioCom User Station Speaker Wall Mnt 2 Ch - no enclosure.

Telex Intercom SS-2002, F.01U.118.745 - AudioCom User Station Speaker Wall Mnt 2 Ch - no enclosure.

Reg. Price: $601.00
Sale Price: $519.56
Telex Intercom TNC-REV-COUPLER, F.01U.144.921 - TNC Reverse Polarity Coupler (Jack to Jack)

Telex Intercom TNC-REV-COUPLER, F.01U.144.921 - TNC Reverse Polarity Coupler (Jack to Jack)

Reg. Price: $71.10
Sale Price: $61.47
Telex Intercom TR-16, F.01U.117.809 - Wireless IFB Systems 16 channel synthesized talent receiver. Uses two AA batteries.

Telex Intercom TR-16, F.01U.117.809 - Wireless IFB Systems 16 channel synthesized talent receiver. Uses two AA batteries.

Reg. Price: $384.00
Sale Price: $346.00
Telex Intercom TR-240-A4F, F.01U.169.594 - 2.4Ghz Wireless Belt Pack A4F

Telex Intercom TR-240-A4F, F.01U.169.594 - 2.4Ghz Wireless Belt Pack A4F

Reg. Price: $1,088.00
Sale Price: $940.58
Telex Intercom TR-800-E88R5, F.01U.145.909 - 2-Chan UHF Wireless Belt Pack RTS A5F Headset Jack E88 BAND

Telex Intercom TR-800-E88R5, F.01U.145.909 - 2-Chan UHF Wireless Belt Pack RTS A5F Headset Jack E88 BAND

Reg. Price: $2,093.00
Sale Price: $1,884.00
Telex Intercom TRH-1, F.01U.118.149 - Heavy Duty Leather Holster & Belt Loop for TR200/300

Telex Intercom TRH-1, F.01U.118.149 - Heavy Duty Leather Holster & Belt Loop for TR200/300

Reg. Price: $181.00
Sale Price: $156.47
Telex Intercom TW-5W, F.01U.118.508 - Splitters and Wall Plates 1X5 two channel 3pin XLR type passive splitter.

Telex Intercom TW-5W, F.01U.118.508 - Splitters and Wall Plates 1X5 two channel 3pin XLR type passive splitter.

Reg. Price: $246.00
Sale Price: $212.67
Telex Intercom US-2002, F.01U.118.754 - AudioCom User Station

Telex Intercom US-2002, F.01U.118.754 - AudioCom User Station

Reg. Price: $906.00
Sale Price: $815.00
Telex Intercom WKP-BOX, F.01U.118.643 - AudioCom User Station Speaker Wall Mnt Flush mounted box for SS-1002/SS-2002 and WKP-4.

Telex Intercom WKP-BOX, F.01U.118.643 - AudioCom User Station Speaker Wall Mnt Flush mounted box for SS-1002/SS-2002 and WKP-4.

Reg. Price: $138.00
Sale Price: $119.30
Telex Intercom WS-2, F.01U.118.011 - F.01U.118.011 - WS-2, Windscreen, For PH44/PH88 and HR1/HR2.

Telex Intercom WS-2, F.01U.118.011 - F.01U.118.011 - WS-2, Windscreen, For PH44/PH88 and HR1/HR2.

Reg. Price: $10.66
Sale Price: $10.00
Telex Intercom WS-3, F.01U.109.877 - F.01U.109.877 - WS-3, Windscreen grey for PH-24.

Telex Intercom WS-3, F.01U.109.877 - F.01U.109.877 - WS-3, Windscreen grey for PH-24.

Reg. Price: $10.66
Sale Price: $9.22
Buy Best Sellers Telex Intercom