1-Channel RF
Transmitters
SK-939Tx-Exx (433.92MHz)
Installation Manual
SK-939T1-EB
SK-939T1-EBU
SK-939T2-EN
SK-939T2-ENU
•
Frequency 433.92MHz
•
Over 68 billion (6.8x10
10
) possible codes
•
LED transmission indicator
•
Includes one 3VDC lithium battery (CR-2032)
•
Compact size
• Compatible with all SECO-LARM SK-series
receivers of the same frequency
•
Available with or without logo
*
Actual range will vary depending on the installation and operating
environment
Dimensions
Specifications
Model
SK-939T1-EB
SK-939T1-EBU
SK-939T2-EN
SK-939T2-ENU
Power
3VDC battery (CR-2032, included)
RF Frequency
433.92MHz
# of Buttons
1
1
2
2
Channels
1
1
1
1
IP Rating
IP 66 Weatherproof
Possible codes
Over 68 billion (6.8x10
10
)
Dimensions
1
1
/
8
"x2
3
/
8
"x
1
/
2
" (29x61x12 mm)
FCC / IC COMPLIANCE STATEMENT FCC ID: K4E939T2E IC : 23770-K939T2ENU
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE
HARMFUL INTERFERENCE AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED
OPERATION.
Notice: The changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
IMPORTANT NOTE: To comply with the FCC RF exposure compliance requirements, no change to the antenna or the device is permitt ed. Any change to the antenna or the device
could result in the device exceeding the RF exposure requirements and void user’s authority to operate the device.
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2)
this device must accept any interference, including interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitatio n est autorisée aux deux conditions suivantes : (1)
l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre
le fonctionnement
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
L'appareil a été évalué pour répondre aux exigences générales d'exposition aux RF. L'appareil peut être utilisé dans des conditions d'exposition portables sans restriction.
California Proposition 65 Warning: These products may contain chemicals which are known to the State of California to cause cancer and birth defects or other re productive harm.
For more information, go to www.P65Warnings.ca.gov.
WARRANTY: This SECO-LARM product is warranted against defects in material and workmanship while used in normal service for one (1) year from the date of sale to the original
customer. SECO-LARM’s obligation is limited to the repair or replacement of any defective part if the unit is returned, transportation prepaid, to SECO-LARM. This Warranty is void
if damage is caused by or attributed to acts of God, physical or electrical misuse or abuse, neglect, repair or alteration, i mproper or abnormal usage, or faulty installation, or if for any
other reason SECO-LARM determines that such equipment is not operating properly as a result of causes other than defects in material and workma nship. The sole obligation of
SECO-LARM and the purchaser’s exclusive remedy, shall be limited to the replacement or repair only, at SECO -LARM’s option. In no event shall SECO-LARM be liable for any
special, collateral, incidental, or consequential personal or property damage of any kind to the purchaser or anyone else.
NOTICE: The SECO-LARM policy is one of continual development and improvement. For that reason, SECO-LARM reserves the right to change specifications without notice. SECO-
LARM is also not responsible for misprints. All trademarks are the property of SECO-LARM U.S.A., Inc. or their respective owners. Copyright © 2026 SECO -LARM U.S.A., Inc. All
rights reserved.
SECO-LARM
®
U.S.A., Inc.
16842 Millikan Avenue, Irvine, CA 92606 Website: www.seco-larm.com
PITSW1
MI_SK-939Tx-Exx_260323.docx
2
3
/
8
"
(61mm)
1
1
/
8
" (29mm)
1
/
2
" (12mm)
