BPER PTT BlueTooth Button

The PTT Bluetooth button is a PTT key to let you initiative a PTT Call while the PTT app is running in the foreground.It has a battery life of 1 to 2 years and can pair with any Bluetooth headset. The device comes with an adjustable Velcro strapfor you to strap on your vehicle steering wheel, bike handle bar or even around your index figure.

87 x 56 x 25 mm
2.4GHZ transceiver
-93dbm sensitivity in Bluetooth low energy mode v4.0
TX Power -20 to +4dbm
RSSI (1db resolution)
ARM Cortex – M0 32 bit processor
RSSI (1db resolution)
Serial Wire Debug (SWD)
S100 series SoftDevice ready
256kb embedded flash programmed memory
16kb RAM
Support for non-concurrent multiprotocol operation
On-air compatibility with nRF24L series
Flexible Power Management
Supply voltage range 1.8V to 3.6V
2.5us wake-up using 16MHz RCOSC
0.6uA @ 3V mode
1.2uA @ 3V in OFF mode + 1 region RAM retention
2.6uA @ 3V ON mode, all blocks IDLE
8/9/10 bit ADC- 8 configurable channels
31 General Purpose I/O Pins
One 32 bit and two 16 bit timers with counter mode
SPI Master
Two-wire Master (I2C compatible)
CPU independent Programmable Peripheral Interconnect (PPI)
Quadrature Decoder (QDEC)
AES HW encryption
Real Timer Counter (RTC)
CR2032 battery for 1-2 years life time.

General PTT Button Pairing Procedure

  1. Enter Pairing mode:
  • To enter pairing mode, turn on PTT, press PTT button for 10 seconds then release.
  1. Change PTT Button pairing to a new phone:
  • In phone A, forget(un-pair) the PTT in “Setting” -> “Bluetooth”
  • Turn on PTT, make sure it is NOT connected to any phone.
  • Press PTT button for 10 seconds then release (like in 1).
  • Phone B now can scan the PTT button, pair and connect the PTT.


  • When PTT button connects to phone A, PTT will remember this phone A, no other phones can discover/pair/connect to this PTT even phone A’s Bluetooth is OFF.
  • If accidently press PTT button for 10 seconds in non-connected mode, the pairing info will be erased. Please run 1 or 2 to re-connect the PTT and phone.