PWM Signal Loss Alarm & RC Lost Model Discovery Buzzer
£5.50 Inc. VAT
This PWM Signal Loss Alarm will automatically start beeping if your radio control signal to your model is lost.
In stock|Next shipping: 16/03/2026
A lost model buzzer is a must have accessory for any drone pilot. We’ve all seen the YouTube videos where a multirotor crashes into a field of long crop, never to be seen again. Well this little RC buzzer could be the savior; think of it like a SOS beacon for your drone. It’s super loud and will guide you right to the aircraft. The buzzer will sound after 60 seconds if your radio control signal is lost. It will also sound if your control sticks are inactive for more than 60 seconds. To fit the buzzer, use it like a servo extension lead; simply connect it between your throttle channel (best for drones) or main servo and your receiver.
Please note this buzzer is not directly compatible with flight control boards like the naze32, they work with 5V Piezo type buzzer, like this.
Features:
- Loud >85dB alarm to guide you to your model.
- Can be used as a reminder to turn off the R/C receiver – will sound after 60 seconds of inactivity.
- Plugs into any standard 4.8 – 6.0 V DC powered receiver.
- Small size and weight (~7-grams).
Setup Instructions:
Connect the alarm between a servo / throttle channel and your PWM receiver.
To test if it is functioning: Do not move any of the control stick on the transmitter for 1 min or simply turn it off. You will hear a continuous beep sound after 1 minute. If you ignore the continuous beep sound for around 2 minutes, the beep sound will change to a louder sound. It will stop once you move the control stick or power off the receiver.
- Alert Level: 85dB
- Operating Voltage(v): 4-6 votls DC
- Current Consumption:< 35 mA (Working mode) < 2.5 mA (Non-working mode)
- Weight:7g
- Size: 17x13x10mm
Included:
- 1x Signal Loss Alarm & RC Lost Model Discovery Buzzer
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SHIPPING & DELIVERY
We are based in the UK and ship to most destinations worldwide.
We dispatch orders during the times shown on our Dispatch Schedule. Orders placed before the daily dispatch cutoff will ship the same day (subject to stock availability). Orders placed after the cutoff will ship on the next scheduled dispatch day.
A confirmation email is sent once your order has been packed. If you need to amend your order, please contact us as soon as possible — once shipped, we’re unable to make changes.
We work with trusted delivery partners including Royal Mail, DHL, UPS, Fedex and Parcelforce. If you have a delivery requirement or would like to arrange collection, please get in touch.
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Shipping to the UK
- Order before the daily dispatch cutoff for same day dispatch.
- FREE delivery available on qualifying orders over £99 (under 1kg).
For small, low-value orders, Royal Mail First Class is our most economical option. Royal Mail Tracked 24 is the most popular choice, offering full tracking and flexible delivery options. For guaranteed next working day delivery, we recommend Royal Mail Special Delivery.
Royal Mail delivers to residential addresses Monday to Saturday, while courier services (including DHL) typically deliver Monday to Friday.
International Postage
- USA orders: Import duties and taxes are prepaid by us — no additional customs charges on delivery.
- Other destinations: Customs duties or import taxes may apply and are the responsibility of the recipient.
Smaller, lower-value orders may be sent via Airmail or tracked postal services. Economy road and express air courier options are available depending on destination. For faster delivery, we recommend express air courier services such as DHL Express, which typically deliver within 1–2 working days across Europe and a few working days for most other destinations.
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