Specifications

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m1805 Module Specification
1. Product introduction
UART module MS48SF2 is based on m1805 Chipset. It is a small size (16×12×2mm) and
stand-alone module with 12 GPIO. The data transmission between module and mobile phone can
be achieved via operation of UART. With up to 60-meter working distance in open space, 512KB
flash memory and -97dBm received sensitivity, the data can be transmitted via Bluetooth.
MS48SF2 is a compact module with a metal cover shield which can support Android 4.3+, IOS 7+.
Its BLE stack can be depth optimization and the transmission speed is up to 3kB/s.
1.1 Ordering information
Ordering number
Description
MS48SF2
PS1912OB, m1805FA-R, PCB ANT, reel pack