Product Description
Product parameters
Power supply voltage: DC: 3.4-4.2V 1A or above
Communication interface: TTL level interface, compatible with 3.3V2.85V system
Other interfaces: voice microphone lead-out terminal, reset terminal (low level is effective)
SIM card interface: standard MICRO SIM card self-ejecting card holder (card holder according to
Please refer to the silk screen next to the card holder)
Antenna interface: IPX mini antenna interface
Size: 26*27*5MM
Positioning hole: R=1.524mm
Frequency: Quad-band 850 900 1800 1900 (available worldwide)
Support Unicom, Mobile
Main features:
1: Ultra-small size suitable for various cuff-type and embedded.
2: Self-ejecting card slot, convenient for replacing mobile phone cards. It can be placed on the side of the box to reserve
Replace the mobile phone card port.
3: Using IPX interface, the antenna can be replaced at will. Default PCB antenna
Greatly reduce: usage space.
4: The board uses a gold-plated board, which is more stable in terms of performance.
5: Regular wiring ensures that the board is more stable when running.
6: This module adds a protection device to prevent reverse connection and high voltage, reducing the loss of the board, which is suitable for projects and learning.
Product Photos
Company Information