Specifications

Telink 8258 Dongle Specification
PS-19012802-E1 6 Ver1.0.0
1.2 Key features
 Bluetooth 5 Compliant, 1Mbps, 2Mbps, Long Range 125kbps and 500kbps
 2.4GHz proprietary 1Mbps/2Mbps/250kbps/500kbps mode with Adaptive
Frequency Hopping feature support
 64kB on-chip SRAM with up to up to 32kB retention
 512kB internal Flash
 A rich set of I/Os: I2C, USB, Single wire slave, up to 10 GPIOs, UART with
hardware flow control support
 6-channel PWM (Pulse Width Modulation) output
 Rx sensitivity: -98dBm@BLE 1Mbps
 RSSI monitoring with +/-1dB resolution
 Power supply: 1.8V~3.6V (Battery) or 4.5V~5.5V (USB)
 TX mode: 19.1mA@12dBm Tx power
 RX mode: 12mA
1.3 Mechanical and PCB fabrication Specifications
 PCB dimension: 51mm*18.5mm*1.0mm
 PCB layer: 2 layers
 Dielectric constant: 4.2
 Impedance: 50Ω
Figure 2 TLSR8258 Dongle photo