DTMF Generator

Outputs DTMF controlled digitally with on board LM386 audio amplifier and volume control.

Sunrom Part# 1112

Available We dispatch same day if ordered by 4PM (excluding holidays), then courier usually takes 2-5 days.
Quantity Pricing
Quantity :
Price (Discount%)
1-4 :
Rs.90/- (0%)
5-9 :
Rs.87/- (3%)
10-24 :
Rs.84/- (7%)
25-49 :
Rs.81/- (10%)
50-74 :
Rs.79/- (12%)
75-99 :
Rs.77/- (15%)
100-249 :
Rs.74/- (18%)
250-499 :
Rs.72/- (20%)
500-999 :
Rs.70/- (22%)
1000+ :
Rs.68/- (25%)


1112 Datasheet

This board can generate DTMF tones as per input from microcontroller. The output is DTMF audio which can be fed to variety of sources like Landline Telephone, FM transmitter, Mobile Phones or custom devices which needs DTMF transmission. At receiver side the DTMF can be decoded using popular MT8870 board or any such devise.


  • Full 16 DTMF tones generated 
  • Digitally controlled
  • Simple to use and Low Cost 
  • Onboard LM386 based amplifier 
  • Adjustable 1W DTMF audio output 
  • Can drive speaker directly 

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Sunrom Electronics & Sunrom Technologies are two companies, that are the foremost online e-commerce stores since 2004, providing innovative embedded systems, components & services. Our aim is to empower you to Make In India. We work closely with electronics manufacturing companies & individuals to understand & solve the challenges faced during production. We do not just sell things, We use them ourselves in our products, and provide you with high quality tested components for trouble free experience.

  • Sunrom Electronics
  • GSTIN: 24AFBPT4632H1ZJ
  • Sunrom Technologies
  • GSTIN: 24AJLPP4029L1ZW
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