The GJD GJD710 is a wall-mount GSM speech and text communicator for wired intruder alarm panels. It sends recorded voice calls (≈10s) or 32-character SMS alerts when any of up to six triggers are activated. The unit supports listen-in, tamper detection, battery-backup and programmable outputs to drive external devices.

• Up to 9 programmable dial-out numbers; per-trigger selection of voice message or 32-character SMS.
• Six trigger inputs (switched negative) and four programmable switched outputs (max 100 mA each).
• Recordable ≈10s voice message; 32-character SMS option; per-trigger recipient programming.
• Built-in microphone and remote microphone terminals for remote listen-in.
• Back-lit LCD (8 languages), tamper switch, daily/weekly/monthly test messaging and low-SIM-credit alert.
• 12 V supply with battery backup via panel or optional 9 V PP3; operating temperature -20°C to +70°C.

Use cases: wired intruder alarm extensions, premises monitoring (gas/flood/nurse-call), remote sites requiring GSM alerting when landline or IP comms are unavailable. Installation should be performed by a qualified installer; follow the supplied installation & programming manual for wiring, SIM setup and safety instructions.

Note: The cost_price provided (165.60) has no confirmed currency. Please confirm whether this is GBP, EUR, USD or another currency so I can calculate the minimum RRP to achieve a 16% margin and recommend retail price points. Also verify local mobile network compatibility (some networks are retiring 2G/3G services) and any required UK/EU markings (CE/UKCA) before sale.