• × 1N4007 Diode 1A for Rectifier 1 × ৳ 1.50
• × Battery 9V Pakko Non-Rechargeable 1 × ৳ 80.00
• × RF Module 433 MHz (Tx & Rx) 1 × ৳ 144.19
• × 10K Ohm Potentiometer Variable resistor (Volume) 1 × ৳ 25.00
• × Audio Amplifier Board With 2 Transistors 1 × ৳ 126.00
• × GSM Module SIM800L 1 × ৳ 650.00
• × 2.2uF 50V Capacitor 1 × ৳ 4.00
• × FT232 USB TO TTL Converter 1 × ৳ 300.00

Subtotal: ৳ 1,330.69

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