Foxeer ELRS 2.4G Receiver LNA

£17.99 Inc. VAT

This ELRS receiver features both a LNA / PA for improve reception strength and telemetry range

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SKU: ELRS-RX-FOX-MR1686 Categories: , , , Tags: , , ,
Description

This ELRS receiver features both a LNA / PA for improve reception strength and telemetry range.

More info about LNA / PA:

A Low Noise Amplifier (LNA) directly adds to your incoming RSSI. Typical gains are in the ballpark of +12dBm which will be observed in the RSSI as being 12dBm higher than it would have been without the LNA. This is because the LNA amplifies the incoming signal coming from the antenna before going to the RF chip, which increases the sensitivity of the receiver by boosting the incoming signal. An LNA also boosts the noise by the same amount so the sensitivity limit will likely be lower than the value quoted by the Lua.

A Power Amplifier (PA) boosts the outgoing signal strength and extends the telemetry range back to the TX. Without a PA, the power output is limited by the RF chip’s max power output itself (around +13dBm 20mW). It works the same way as turning up the power output on the transmitter module, however it is not adjustable. The receiver’s output can be ran at adjustable power levels given range needs. Most PAs are 20dBm/100mW, meaning the telemetry transmit power can be adjusted to 10, 25, 50 or 100mW.

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Specification
  • Processor:ย ESP8285+SX1280
  • Work Frequency:ย 2400GHz~2500GHz
  • Flash Frequency:ย 25~500Hz
  • FW Version:ย 3.0.1
  • Indicator:ย RGB LED
  • Input: 5V
  • Weight: 0.7g
  • Size:ย 10.5x19mm
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Shipping

SHIPPING & DELIVERY

We are based in the UK, but ship to most worldwide destinations. Postage rates are calculated by the size/weightย and shipment location. We process orders Monday to Friday and pride ourselves on our quick turnaround of orders - most UK orders will arrive the next day.

We are partnered with several delivery companiesย including Royal Mail, DHL, UPS and Parcel Force. If you have a special delivery requirement or would like to arrange a shop collection pleaseย contact us.

A confirmation email will be sent when your order has been dispatched. If you wish to change your order, please contact us promptly, as we won't be able to make amendments once the order has been shipped.

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Shipping to the UK

  • Order before 4PM for same day dispatch with Royal Mail, 2PM for next day delivery with DHL and 1PM for next day delivery with APC.
  • We offer FREE Shipping on UK orders over ยฃ99, weighing less than 1kg.
  • The courier options deliver Monday to Friday, Royal Mail delivers to residential addresses on Monday to Saturday.

For small low value orders our cheapest delivery service is Royal Mail First Class.ย For a guaranteed next day delivery we recommendย Royal Mail Special Delivery orย one of our courier delivery options.

International Postage

  • Order before 4PM for same day dispatch with Royal Mail.
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  • DHL Express offersย NEXT DAY delivery to most Europeanย destinationsย and a very fast delivery for countries further afield, generally 2-3 days.

Orders shipped outside the EU may be subject to customs charges. These charges are additional to any delivery costs and will need to be paid by the recipient.