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September 08, 2026 3 min read
Installation and specification manual for the Seco-Larm Enforcer Wireless Desktop Transmitter (SD-862T-GWSQ), a 315MHz request-to-exit button for access control installations.
The SECO-LARM Enforcer® SD-862T-GWSQ Wireless Desktop Transmitter is a battery-powered 315MHz RF request-to-exit/access-control button designed for locations where running wires is difficult. It can be placed on a desktop or wall-mounted, and requires a SECO-LARM SK-910 (315MHz) series (or similar) receiver to function.
*Actual operating range will vary greatly depending on the installation and operating environment.
| Operating Frequency | 315MHz |
| Operating Voltage | 9VDC |
| Maximum Range | 250 ft (76m)* |
| Battery Life | Up to 4 years (at 60 uses/day) |
| Dimensions (Desktop) | 4-5/8" x 2-7/8" x 1-7/8" (117 x 73 x 48 mm) |
| Dimensions (Wall mount) | 4-5/8" x 2-7/8" x 2" (117 x 73 x 50 mm) |
| Weight | 6 oz (178g) |
*Actual operating range will vary greatly depending on the installation and operating environment.
Note: Be careful not to pull off the wires connected to the battery clip and switch assembly during this process.
A typical access control setup pairs this desktop transmitter with an SK-910RBQ wireless receiver, an SK-919TP4H-NUQ 4-button handheld RF transmitter, an SD-7202GC-PEQ illuminated square RTE plate, and an E-941SA-1200 electromagnetic lock (12VDC) — the desktop or wall-mounted SD-862T-GWSQ acts as a request-to-exit button that wirelessly signals the receiver to release the electromagnetic lock.
| Symptom | Checks / Solutions |
|---|---|
| LED does not light | Check battery connection; replace the 9V battery. |
| LED lights blue, but does not activate the lock | Ensure the transmitter is not housed in a metal box; test closer to the receiver; clear codes from the receiver and re-learn the transmitter code. |
FCC ID: K4E8202GT-PEQ. Complies with FCC Part 15 — must accept any interference received, including interference that may cause undesired operation. Unauthorized modifications could void the user's authority to operate the equipment; no changes to the antenna or device are permitted per FCC RF exposure requirements.
Warranty: One (1) year against defects in material and workmanship from date of sale, under normal service. SECO-LARM's obligation is limited to repair or replacement of defective parts (transportation prepaid to SECO-LARM). Void if damage results from acts of God, misuse/abuse, neglect, unauthorized repair/alteration, improper usage, or faulty installation. Not liable for special, collateral, incidental, or consequential damages.
SECO-LARM U.S.A., Inc. — 16842 Millikan Avenue, Irvine, CA 92606. Phone: (949) 261-2999 / (800) 662-0800. Email: sales@seco-larm.com. Web: www.seco-larm.com.
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