Overview: The GJD397 D‑TECT X Repeater extends the wireless range of GJD D‑TECT X detectors up to 500 m line‑of‑sight. It automatically repeats detector signals and requires no programming. Supplied with a 230 VAC → 12 VDC 1 A PSU module.

• Extends RF transmission range up to 500 m (line of sight).
• Plug‑and‑play operation — repeats detector signals automatically (no programming required).
• Weatherproof enclosure for internal or external mounting; front & rear tamper switches for security.
• Operates on 868 MHz with transmit power <25 mW; low current draw (~23 mA at 12 V).
• Includes power supply module (230 VAC → 12 VDC, 1 A output). Installation of the PSU should be by a qualified engineer.

Compliance & notes: Manufacturer documentation references IP55 and IP65 in different places (IP55 on the product page; IP65 referenced for the PSU housing in the manual). For a single authoritative IP rating for labelling or compliance use the official GJD datasheet or contact GJD support. Installation must follow UK wiring and safety regulations; fit behind an RCD where required and ensure competent installer for mains connections.

Pricing note: The cost_price provided (223.13) has no currency declared. I have computed a suggested retail price to secure a minimum 16% gross margin as 265.63 (using the numeric cost value provided). Please confirm the currency (e.g., GBP) and whether you require VAT inclusive pricing so I can finalise the RRP and present comparisons against UK reseller prices.