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Brand: Semtech
RFM50 module series’ design is based on the high performance RF50 SoC chip, It include a CIP-51 core‘ MCU and 100mW transceiver. It operate at 433/470/868/915 MHz ISM band, comply with FCC, ETSI regulation.
The CMT2257AW is HopeRF CMT single-chip, ultra low power and high performance device that consists of an OOK/(G)FSK RF receiver, with 1920, 1527 and 2262 embedded data Decoder and 4 data output pins for various 300 to 960 MHz wireless applications.
Descriptions
The CMT2257AW is a true single-chip, ultra low power and high performance device that consists of an OOK/(G)FSK RF receiver, a data decoder and 4 data output pins for various 300 to 960 MHz wireless applications. The device integrates a data decoder which is compatible with the most common used encoding format of 1527 and 2262, as well as a more flexible format of 1920 designed by CMOSTEK. The device delivers sensitivity up to -109 dBm (FSK, 9.6 ksps symbol rate, 868.35 MHz) while consuming only 5.7 mA current when it is always on. An embedded EEPROM allows the frequency, symbol rate and other features to be programmed into the device using the CMOSTEK USB Programmer and RFPDK. Alternatively, in stock product of 868.35 MHz is available for immediate demands with no need of EEPROM programming. When pairing the device to CMOSTEK transmitters, the synchronization ID can be programmed into both of the transmitter and receiver during the manufacturing phase, or studied by the receiver from the transmitter remotely by end customers. The CMT2257AW is part of the CMOSTEK NextGenRFTM family,together with CMT215x series transmitters, they enable ultra high performance, low power consumption RF links.
Features
Embedded EEPROM
-Very Easy Development with RFPDK
-All Features Programmable
Frequency Range: 300 to 960 MHz
Symbol Rate: 0.1 to 100 ksps
Sensitivity: -109 dBm @ 9.6 ksps, FSK, 868.35 MHz
Stand-Alone, No External MCU Control Required< 20 nA
Embedded 1920, 1527 and 2262 Data Decoder
4 Data Outputs
Configurable Duty-Cycle Receive Mode
Low Power Consumption: 5.7 mA
Low Sleep Current
-Very Easy Development with RFPDK
-All Features Programmable
ID Study, Factory Code Supported
RoHS Compliant
Available in QFN16(3x3) and SOP16 Packages
Applications
Low-Cost Consumer Electronics Applications
Remote Control
Smart LED Control (On/Off Dimming)
Home Security and Alarm
Garage and Gate Openers
Home and Building Automation
Industrial Monitoring and Controls
Sensor Networks
Health Monitors
Remote Keyless Entry (RKE)
Useful Link:
Click here to view CMT2257AW datasheet
CMOSTEK RFPDK Setup(RF Products Development Kit PC Software)-For Developing stage
AN118 CMT2250/2257AW Configuration Guideline(RF PDK Users Guide)
CMOSTEK WriterConfig V1.0.3 Beta(RF Write config PC software)-For mass production stage
Reference: DWM14032102
Whip antenna for sub-1 GHz, 433MHz,868MHz and 915MHz with SMA male connectors.it's used with wireless module recommanded by Hoperf .
Reference: DWM14042301
Spring antenna is specialized for wireless data transmission. This antenna with good performance of V.S.W.R, small size design, easily installation, stable performance and good anti-shock and anti-aged compatible for Hoperf Modules.
Reference: DWM14042401
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Reference: DWM15081806
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Reference: DWM15081901
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Reference: DWM15081901
The USB Programmer is the configuration interface for the user to program the configuration to CMOSTEK RF procducts with the RFPDK. It connects the module containing RF products via EM-Connector and connects the PC via USB cable. 3 LEDs are available to indicate the working status of the USB programmer.
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The CMT2157AW is HopeRF CMT single-chip, highly flexible, high performance, OOK/(G)FSK RF transmitter with 1920, 1527 and 2262 data encoder ideal for 240 to 960 MHz wireless applications.
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Brand: Semtech
Sx1276 /Sx1278 137MHz to 1020MHz LoRa® Long Range Low Power Transceiver Chipset feature the LoRa® long range modem that provides ultra-long range spread spectrum communication.
The CMT2257AW is HopeRF CMT single-chip, ultra low power and high performance device that consists of an OOK/(G)FSK RF receiver, with 1920, 1527 and 2262 embedded data Decoder and 4 data output pins for various 300 to 960 MHz wireless applications.
