| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $15.06 | $14.76 | $14.29 | $13.68 | Contact US |
HAMGEEK SDR Dreamkit V2D 100KHz-2800MHz All Band Radio Portable Radio Receiver with 5.3MHz Bandwidth 4" Screen for PC
$400.00
Matsutec HA-102 Marine Class B AIS Transponder AIS Transceiver with 2-Channel & CSTDMA Functions
$245.83
QJE PS30SWX DC5-15V 30A Switching Power Supply for Radio Communication and Base Station Radios
$150.12
HA205 5V Automatic Polarity Switch Module High Quality Radio Accessory for Power Signal Polarity Switching
Function:
- When there is an uncertain power signal input, it will automatically switch to a power signal that determines polarity.
Module Interface Description:
P1 Input Interface:
- PA: positive or negative power signal input
- PB: positive or negative power signal input
P2 Output Interface:
- V+: positive polarity voltage of output power supply (positive power supply)
- V-: output power supply reverse polarity voltage (negative power supply)
Specification:
- Size: 35 x 22mm
Package Included:
- 1 x Polarity Switch Module
