

Manufacturer photograph matched to this exact model number.
Sherlotronics · Remote Controls & Transmitters
S4
4-Channel Stand-Alone Outdoor Transmitter
Long-range four-channel outdoor transmitter used to carry alarm, electric fence or plant signals back to a control point without cabling.
- Code-hopping encryption
- 403/433 MHz radio
- Supervised inputs
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At a glance
Key features
Product type
Radio Transmitter
Unit of sale
Piece
Only specifications published by the manufacturer for this model are listed. Anything not yet verified is confirmed in writing when we quote.
Specification
Technical specifications
- Brand
- Sherlotronics
- Model
- S4
- Product name
- 4-Channel Stand-Alone Outdoor Transmitter
- Unit of sale
- Piece
- Connectivity
- Wireless
- Technology
- Code-hopping encryption, 403/433 MHz radio, Supervised inputs
- Channels
- 4 telemetry outputs
- Encryption
- Code-hopping
- Frequency
- 403 MHz / 433 MHz
- Range
- 1500 m (open air)
- Trigger inputs
- Normally open or normally closed, all inputs supervised
- Voltage range
- 9.8 V to 16 V DC
- Current on transmit
- Approx. 90 mA
- Dimensions
- 187 x 104 x 67 mm
- Warranty
- 24 months (manufacturer)
Specifications verified from the manufacturer's official product information. The product image shown is verified manufacturer imagery.
Manufacturer documents
- S4_Installation manualInstaller Manual
A manufacturer datasheet is not published for download here. Ask us and we will send the current datasheet for this model with your quotation.
Where it fits
Suitable applications
- Homes and residential estates
- Shops, offices and business premises
- Schools, clinics and institutions
- Warehouses, yards and stores
- Sites needing zoned intrusion detection with remote notification
If your site is not listed, tell us what you need to cover and we will advise whether this model suits it.
Catalogue classification
- Category
- Alarm & Intrusion Systems
- Subcategory
- Remote Controls & Transmitters
- Product type
- Radio Transmitter
Pricing is not published. We quote per project based on quantity, site and installation scope.
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