| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $25.49 | $24.97 | $24.19 | $23.15 | Contact US |
Waveshare USB to RS232/485/TTL Interface Converter Communication Module (CH343G Chip) w/ Isolation
$29.31
Waveshare USB to RS232/485/TTL Interface Converter Communication Module (FT232RNL) w/ Isolation
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Mini Duplex Hotspot Motherboard for MMDVM Digital Modem Box and 433MHz Antenna Support for DMR / D-Star / NXDN / POCSAG
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Sim900A GPRS Module Mini Development Board GMS Weirless Data Transmission TC35i
Description:
- Serial port circuit: using TVS and magnetic protection device to protect the board, the board will not be affected by the surge, high voltage damage.
- SIM card circuit increases SMF05C static release chip.
- Antenna circuit: the use of door type circuit, can be completed in the PCB printing 50OHM matching design, and ensure that the short and straight, so as to ensure the signal strength.
- PCB display: all the interface screen printing, easy to develop, complete compliance with the SIM900A hardware manual.
- This board is with the antenna interface
Onboard data:
- Serial port circuit (with protection)
- Antenna interface circuit (SMA)
- SIM card circuit (flip SIM card)
- Four 4*3.5 locating holes
- SIM900A serial port
Package included:
- 1 x SIM900Amini V1.0 kit (Module*1+Antenna*1)
- 1 x CD
