BMK Beacon - Locator Transmitter for PMR / FRS / UHF-CB radios

BMK Beacon - Locator Transmitter for PMR / FRS / UHF-CB radios

Ā£25.00 Ā£35.00

SKU: BCN-PMR3

In stock

Description

The BMK Beacon is a compact, configurable radio transmitter beacon compatible with licence-free radio bands including PMR (UK/EU), FRS (US/Canada), and UHF-CB (Australia/NZ/Malaysia). Advanced users may configure the device to operate outside standard bands, but please ensure local regulations are followed.

šŸ“„ Download Manual

BMK Beacon Manual

Includes setup instructions, configuration tables, and frequency references.

BMK Beacon Image

šŸ”Š Suggested Receiver:

šŸ”‹ Compatible Battery & Chargers:

šŸ“¦ Package Contents:

  • BMK Beacon
  • 100mm Micro JST 1.25mm power cable

šŸ”ˆ Tone Options

  • 3-Tones (Recommended): Emits three distinct tones (100ms each) at different power levels (+14dBm, +2dBm, -10dBm) to help estimate range based on tone count.
  • Chirp: Emits 50ms single-tone beeps for a retro beacon sound. Lower current draw but may not activate squelch. Use with "MON" or squelch set to zero.

šŸ“” Frequency Options

  • PMR446 (UK, EU, Turkey): Licence-free band from 446.00625 MHz with 12.5kHz spacing. Channels are linear. Default: CH16 (446.19375MHz). Learn more.
  • FRS (US, Canada): Licence-free band from 462.5500 MHz. Channels are not linear. Default: CH14 (FRS CH7) (462.7125MHz). Learn more.
  • UHF-CB (Australia, NZ, Malaysia): From 476.625 MHz. Channels are complex. Default: CH15 (UHF-CB CH16) (476.800MHz). Learn more.
  • Special: Custom frequency setup available. Requires technical knowledge and may not be suitable for single-unit orders.

ā±ļø Interval Options

The signal interval is configurable between 1 and 16 seconds. Default is 4 seconds.

  • 3-Tone: 1.8mA @ 4s, 0.5mA @ 16s
  • Chirp: 0.5mA @ 4s

See the manual for configuration details.

āš™ļø Features

Working Frequency 400ā€“480MHz
Max Output Power +14dBm
Range >5km with Baofeng UV-5R+
Input Voltage 3ā€“15V
Current (3-Tones) 1.8mA @ 4s, 0.5mA @ 16s
Current (1-Tone) 0.5mA @ 4s
Max Current 36mA
Interval Range 1ā€“16 seconds (4s default)
Modulation FM (narrow)
Channel Spacing 12.5kHz
Channel Count 64 (First 16 PMR channels are legal)
Dimensions 16mm Ɨ 8mm Ɨ 5mm (with connector)
Weight 0.54g (including antenna)

šŸ› ļø Troubleshooting

  • LED not blinking: Replace the battery.
  • No signal on receiver: Check beacon channel and ensure radio is in narrow FM mode with low or no squelch.