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915MHz Radio Modem (RCQ5-915-H)

Store/Radio Modem

Product Details

915MHz Multichannel Radio Modem

The functionalities of the device RCQ5-915 are the following :

- Radio Modem with AT Command (Transparent Transmission Protocol)

The RF modem is very simple to use and provides a wireless RS232 link with a RF data rate of up to 200kbps (2-GFSK modulation).

The module can work also in Long Range Mode (LRM) with a RF data rate egual to 2.5kbps.

The transceivers has the functions of a complete radio modem and simply require CMOS/TTL data at the transmit input and the corresponding transceiver(s) output

the same data. Preamble and CRC are automatically generated and added to the RF transmission.

- Over The Air Command (OTA Command)

The module has the ability to manage No. 4 digital outputs and No. 4 digital inputs both locally and remotely (OTA Command) by sending simple AT commands.

- ALARM Functionality

With this function, when a digital input change status (DEVICE A) a message will be transmitted via UART to the DEVICE B : “Alarm_0_1

- Remote I/O Functionality

This is two-way transmission used in the field automatic control. It is possible Turn ON and turn OFF the remote IO mirroring function.

When we enable the Remote I/O function, if any Digital Input is change on the Station A, the digital output of the remote Station B will also mirror these states at the same time.

Technical Characteristics	MIN	TYP	MAX	UNIT
Supply Voltage	1.8	3.0	3.60	Volt
Supply Current (RX mode)		5.8		mA
Supply Current (TX mode / +10dBm)		13.4		mA
Supply Current (TX mode / +14dBm)		24.9		mA
Supply current sleep mode		2		µA
Frequency Range CEPT/ERC/REC 70-03	865		870	MHz
RF Output Power	-10		+14	dBm
RF Sensitivity (50 Kb/sec Data Rate)		-110		dBm
RF Sensitivity (2.50 Kb/sec Data Rate)		-118		dBm
Operating Temperature range	-20		+70	°C
Mechanical Dimensions 15 x 22mm

Pads	Name	Description
1,9,37,39	GND	Ground
2	Wake-Up	Wake Up from Sleep mode (Low Active)
3	RX	UART RX
4	TX	UART TX
7	STATUS	When the system operates normally is HIGH When the system is in Sleep mode is LOW When will use Factory Reset this will flash
10	VDD	1.8Volt ÷ 3.8Volt main chip supply
14	FACTORY	- Factory Reset Low Active After pull down this pin, and then powering ON again the pin 7 (STATUS) will flash 5 times and then stay on, means that the factory reset has been restored.
15	LP-UART	LP-UART enable low active
24	DIN-0	Digital Input DIN-0
25	DIN-1	Digital Input DIN-1
26	DIN-2	Digital Input DIN-2
27	DIN-3	Digital Input DIN-3
28	RTS	RESET (Active Low internal pullup)
29	OUT-0	Digital Output OUT-0
30	OUT-1	Digital Output OUT-1
31	OUT-2	Digital Output OUT-2
32	OUT-3	Digital Output OUT-3

The Evaluation KIT

N. 2 Evaluation Board with SMA Antenna

N. 2 USB Cables