AS07-M1101S

10mW FSK Transceiver With Wide Frequency Support, SPI Interface And High Sensitivity Based On CC1101

This is a transceiver module based on the CC1101 transceiver chip from Texas Instruments that can be programmed via SPI interface and sends/receives in the 387-464MHz range. It comes with an SMA terminal to attach an external antenna. The theoretical distance this device can cap is estimated at 600m-1000m due to its increased receiver sensitivity.

This breakout board exists in a number of variations. Sometimes it is referred to as HW-863.

It uses FSK modulation which is based on frequency modulation (FM). It is incompatible with simple remote controls which use ASK (AM).

The AS07-M1101S is a good choice when you want to design your own high speed two-way data transfer system, i.e. to send sensor data or text messages.

Frequency Range And Channels

The board can send and receive in a frequency range of 387-464MHz.

Its maximum transmitting power is +10dBm/10mW, and the receiver sensitivity is excellent with -116dBm. In free line of sight, distances of up to 1km can be bridged.

Specs

Item Value
Voltage 1.8-3.6V
Frequency 387-464MHz
Output Power 10dBm / 10mW
Modulation 2-FSK, GFSK, MSK
Standby Current  
Sleep Current  
Operating Current 30mA, power supply >100mA
Transmission Rate 1.2-500kbps
Receiver Sensitivity -116dBm @ 0.6kps
Extras RSSI signal detection, hardware CRC, carrier sense, 64-byte RX and TX buffer
Interface SPI
Size 20.65x12.1x7mm

Connectors

The board comes with eight solder pads. They are clearly marked on the backside:

Pin Tag Description
1 GND negative voltage
2 GOD2 I/O
3 GDO1 MISO, SPI
4 MOSI SPI
5 SCK SPI
6 CSN SPI
7 GOD0 I/O
8 VCC +1.8V to +3.6V

Antenna

The board comes with solder pads both for a pre-soldered bullet pole coil antenna and an IPEX connector.

Interface

This board uses the SPI interface to communicate with a microcontroller.

Data Sheet

CC1101 from Texas Instruments

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(content created Apr 15, 2024)