| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $35.00 | $34.28 | $33.21 | $31.78 | 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
$33.20
Mini Duplex Hotspot Motherboard for MMDVM Digital Modem Box and 433MHz Antenna Support for DMR / D-Star / NXDN / POCSAG
$32.08
ATK-SIM900A GSM/GPRS Module Message Phone Develop Board with STM32 Code Surpass TC35
Description:
- GSM module: SIM900A
- One RTC back up battery
- One microphone interface
- One headphone interface
- One RS232 choosing interface
- One RS232 serial port
- One lipo battery interface
- One power supply input interface
- One power supply indication light blue
- One power supply switch
- One flip type SIM card base
- One SMA antenna interface with antenna
- One turn on/ off button
- One network state indicatiing light (red)
- One SIM900A module all IO ports are lead out by flat pins
