User's Manual

1. Overview
CRM-24B is a general purpose BLE module
It is compact size and uses A8107(2.4GHz FSK/GFSK SiP wireless transceiver) of AMICOMM.
2. Operation
The product using this module(CRM-24B provides the door open operation to the
authenticated user through the application of the smartphone.
3. Features
Items
Specification
Remark
Operation Voltage
DC 3.3V(±10%)
Power consumption
(MCU only, RF in sleep mode)
0.8uA @Deep Sleep mode
3.0uA @Sleep(WOR/TWOR off)
5.0uA @Sleep (WOR /TWOR wake)
2.5mA @Normal
Power consumption
(RF with MCU in normal mode)
3mA @Stand-by mode
12.5mA @PLL mode
19.5mA @Rx mode
23mA @Tx mode (Pout = 3dBm)
Frequency
2402 – 2480 MHz
ISM band
Transmit Power [dBm]
3 dBm @ room temperature
Receiver Sensitivity [dBm]
-92 dBm (typical) @ 1Mbps mode
BER≦1E-3
Modulation Techniques
GFSK
Connection
8 pin 2.00mm header X 3
Dimensions
30mm(L) x 18mm(W) mm with Antenna
(PCB thickness is 0.8mm)
Operating Temperature
-40 ~ 85 ℃
4. Operation
The product using this module(CRM-24B) provides the door open operation to the
authenticated user through the application of the smartphone.