Horizon Hobby DSMTX10 2.4 GHz Transceiver User Manual X1TXM User Guide rev 2
Horizon Hobby, LLC 2.4 GHz Transceiver X1TXM User Guide rev 2
Users Manual Revised
X1TXM 2.4GHz DSSS Module User Manual.
Horizon Hobby Inc.,
1657 Country Club Dr.,
Milpitas CA 95035 USA
408 945 9800
1. Features
• 2.4Ghz Direct Sequence Spread Spectrum (DSSS) radio transceiver module.
• Operates in the unlicensed worldwide ISM band (2.4 GHz to 2.483.5GHz) band
• Fully integrated power regulation with a wide input unregulated operating range
2.4 to 3.6V.
• Fully integrated local oscillator and 12MHz 20ppm reference crystal
• 200mA operating current
• Transmit power up to 100mW EIRP
• Receive sensitivity up to -95dBm
• DSSS data rates up to 250kbps
• 1 mile operating range
• Full packet assembling and disassembling
• Auto transaction sequencer
• Fully buffered digital interface with high voltage tolerant inputs
2. Pin description
Pin Number Name Description
1 GND Module Ground
2 VDD Module power input
3 IRQ Interrupt Request
4 RST Reset, active High
5 MOSI Master out, slave In data
6 nSS Slave Select, Active Low
7 SCLK SPI data clock
8 MISO Master in, slave out data
9 GND Module Ground
10 XOUT Clock output from module
11 TXRX Switch antenna to transmit direction
12 RXTX Switch antenna to receive direction
3. Specifications
Parameter Value Units
Storage Temp -65 to 105 Degrees Celsius
VDD 2.4 to 3.6 Volts
Receive Sensitivity -95 dBm
Transmit power (conducted) 17 dBm MAX
Transmit power (radiated) 19 dBm MAX
Idle current 1 mA
Receive current 22 mA
Transmit current 200 mA
4. Block Diagram
Framer
Interface
Buffer DSSS
Modem
VCO
Xtal
SE2550BL Power
Amplifier
CYWUSB6936 DSSS
2.4GHz Radio 2dBi
Antenna
12MHz
FCC ID: BRWDSMTX10
System
Interface
Horizon Hobby
X1TXM
Module Block Diagram
Power
Regulator
Power
Regulator
5. Module User Requirements
5.1 This module must be integrated into a device where the user cannot access the
antenna connector.
5.2 Only a 2dBi antenna can be used with this module. The antenna must meet and not
exceed the gain and pattern of the supplied Inpaq DAM00BM11500209 folded dipole
antenna.
5.3 Changes or modifications to the module that are not expressly approved by Horizon
Hobby could void the user’s authority to operate the equipment.
5.4 The device must contain the following permanent labeling on the exterior of the
device as follows:
Contains FCC ID: BRWDSMTX10
5.5 The user manual of the device must contain the following paragraph:
This device complies with part 15 of the FCC rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Caution: Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate
the equipment.
This product contains a radio transmitter with wireless technology
which has been tested and found to be compliant with the applicable
regulations governing a radio transmitter in the 2.400 GHz to 2.4835 GHz
frequency range.
The following countries associated regulatory agencies recognizing the
noted certifications for this product as authorized for sale and use are:
USA Canada Belgium
Denmark France Finland
Germany Italy Netherlands
Spain Sweden UK
5.6 This module meets the requirements for a mobile device that may be used at
separation distances of more than 20cm from the human body.
5.7 This module may only be used in battery powered devices.