A6 GPRS GSM SMS Module Development Board cable Transmission range: 20 – 200

Transmission range: 20 – 200 metres (varies with voltage and antenna)

Like I said

5mm stereo headphone jack

the MAX487 helps you maintain system reliability while reducing energy costs—essential for battery-powered and remote installations

A6 GPRS GSM SMS Module Development Board cable Transmission range: 20 – 200A6 GPRS GSM SMS Module Development Board is a compact version of the standard A6 board, designed for space constrained applications. Despite its smaller size, it retains all the core functionalities of the A6 module, making it ideal for projects where space and power consumption are critical considerations. Key Features Compact Design: Smaller footprint for easy integration into tight spaces. Full GSM GPRS Capabilities: Supports SMS, voice calls, and