Plano RF Module User Manual
Horizon Hobby, LLC
4105 Fieldstone Rd
Champaign, IL 61822
1. Features
2.4GHz Frequency Hopping spread spectrum (FHSS) 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 3V to
10V
Fully integrated local oscillator and 24MHz 10ppm reference crystal
400mA operating current
Transmit power - <=18.5dBm in EU, <=26dBm in North America
Receive sensitivity up to -95dBm
DSSS data rates up to 1Mbps
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 RF_P Positive RF input signal to LNA during RX
Positive RF output signal to PA during TX
2 RF_N Negative RF input signal to LNA during
RX
Negative RF output signal to PA during TX
3,7,17,20,29,33 GND Module GND
4 RX_TX Optional bias pin for the RF LNA
5 X32K_Q1 32-kHz crystal oscillator pin 1
6 X32K_Q2 32-kHz crystal oscillator pin 2
8 DIO_0 GPIO, Sensor Controller, high-drive
capability
9 DIO_1 GPIO, Sensor Controller, high-drive
capability
10 DIO_2 GPIO, Sensor Controller, high-drive
capability
11 VDDS2 1.8-V to 3.8-V GPIO supply
12 DCOUPL 1.27-V regulated digital-supply decoupling
capacitor(
13 JTAG_TMSC JTAG TMSC
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14 JTAG_TCKC JTAG TCKC
15 DIO_3 GPIO, High drive capability, JTAG_TDO
16 DIO_4 GPIO, High drive capability, JTAG_TDI
18 DCDC_SW Output from internal DC-DC. Tie to ground
for external regulator mode
19 VDDS_DCDC (1.7-V to 1.95-V operation)
21 RESET_N Reset, active-low. No internal pullup.
22 DIO_5 GPIO, Sensor Controller, Analog
23 DIO_6 GPIO, Sensor Controller, Analog
24 DIO_7 GPIO, Sensor Controller, Analog
25 DIO_8 GPIO, Sensor Controller, Analog
26 DIO_9 GPIO, Sensor Controller, Analog
27 VDDS 1.8-V to 3.8-V main chip supply
28 VDDR 1.7-V to 1.95-V supply, typically connect to
output of internal DC-DC.
30 X24M-N 24-MHz crystal oscillator pin 1
31 X24M_P 24-MHz crystal oscillator pin 2
32 VDDR_RF 1.7-V to 1.95-V supply, typically connect to
output of internal DC-DC(
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) 25.5 dBm MAX
Transmit power (radiated) 27 dBm MAX
Idle current 5 mA
Receive current 22 mA
Transmit current 400 mA
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