Wireless Calling QS-WC22-B15R1W2

• RF frequency : 433MHz
• Modulation mode : ASK (AM)
• Working chip : learning code

อุปกรณ์ในชุดมีดังนี้

• 2 x Power Adapter
• 2 x Watch Receiver
• 15 x Call Button
• 1 x Mounting bracket
• 1 x Power adaptor
• 1 x Receiver host