# Wireless range extender Ajax REX 807537BL1 black — smart home signal repeater

**URL:** https://aio.lv/en/product--ajax-807537bl1--4111211
**Data updated:** 2025-12-29 15:37 (EET)
**Category:** Wireless Range Extender
**Manufacturer:** Ajax
**Manufacturer code:** 807537BL1
**EAN:** 9990000000463
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 103.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 85.94 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ajax-807537bl1--4111211

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Ajax REX 807537BL1 is a wireless range extender designed for smart home systems. In black finish, it repeats and extends radio signals to increase coverage for Ajax devices and compatible sensors. Suitable for enlarging system reach in houses, apartments or offices, it helps reduce dead zones and improve reliable communication between devices and the control hub.

## Long description

Ajax REX 807537BL1 is a wireless range extender designed to increase the radio coverage of Ajax smart home security systems. In black finish, ReX expands the protected area by repeating signals between the hub and connected devices, enabling placement of detectors, sirens and other equipment at greater distances — for example in multi-storey offices, detached garages or large production facilities. A single ReX doubles the signal range; using up to five ReX units can expand coverage up to 35 km².
Advantages
ReX delivers alarm notifications in 0.3 seconds and connects to the system in about two minutes. It operates on the same OS Malevich platform as Ajax hubs, performs critical tasks on a powerful ARM processor, and synchronizes data with the hub using a reliable protocol. ReX can assume control of connected detectors if the hub is unavailable, activate sirens locally, and continue operating on internal battery power for up to 35 hours. The device features encrypted communication, jamming detection and tamper protection.
Suitable for
Expanding coverage in large homes and multi-storey apartments
Securing commercial premises, offices and production sites
Extending signal to outbuildings such as garages and workshops
Increasing resilience of existing Ajax security systems
Key specifications
Device type: wireless radio range extender (indoor)
Compatibility: works with Hub and Hub Plus running OS Malevich 2.7.1 or later
Alarm signal delivery time: 0.3 seconds
Maximum connected devices: depends on hub model (Hub Plus + ReX up to 149 devices; Hub 2 Plus + ReX up to 199 devices)
Signal range: up to 1,800 m (single ReX); up to 35 km² with up to 5 ReX units
Power: mains 110–240 V; Li‑Ion backup battery 2 Ah (up to 35 hours offline)
Operating temperature: -10°C to +40°C; humidity up to 75%
Anti-sabotage: jamming detection, tamper protection, encrypted communication
Dimensions and weight: 163 × 163 × 36 mm; 330 g
Color: black; warranty: 24 months (batteries excluded)
How to use
To add ReX to an Ajax system, scan the QR code with the Ajax app, assign a name and power on the device. Select which detectors will operate via the range extender in the application settings. Mounting is performed without disassembling the unit: attach ReX to the SmartBracket mounting panel and secure it. Use the mobile app to configure, test radio signal strength and confirm correct placement.
Usage recommendations
Place ReX centrally relative to the devices it will serve and avoid large metal obstacles between the hub, ReX and detectors. For large sites, plan placement of multiple ReX units to ensure overlapping coverage and follow the recommended hub and ReX device limits for maximum connected devices. Regularly update firmware via the app to receive stability and security improvements.

## FAQ

### How much does the Ajax REX 807537BL1 wireless range extender cost, and is it available for purchase?

The price is 103.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Ajax REX 807537BL1 wireless range extender be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Ajax products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Ajax service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4111211/10507669_large.webp