Product features

Longer communication distance: 500 m line of sight communication distance can be achieved without external PA;

Using 32-bit ARM processor, CPU frequency support 8-72 MHz, to meet the needs of different occasions;

Less power consumption;

More simplified professional use: no need for any secondary development of the link layer, plug and play;

Multi network topology support: star, tree, mesh, chain;

High receiving sensitivity: 780mhz up to - 110dbm, 2.4GHz up to - 101dbm;

With RTC function, supporting the whole network synchronous clock;

Working voltage: dc2.5-3.6v,

Support multiple control interfaces: UART, RS232 / 485, PWM input / output, switching value, analog value;

It can drive optocoupler directly;

Independent data storage space for storing various historical data;

Wireless working frequency point can be configured;

Multiple transmit power output;

Multi parameters can be configured: network ID, node address, working mode, device ID number, etc;

Security authentication, AES 128 data encryption, key can be configured;

Automatic CSMA-CA function, automatic address filtering function, automatic frame retransmission / confirmation function;

Compatible with Chinese WPAN band 779 to 787mhz (IEEE 802.15.4c);

Compatible with European SRD band 863 to 870MHZ;

Compatible with North American ISM band 902 to 928mhz;

Ultra wide temperature range: - 40 ～ + 85 ℃;

Network topology

Point to point and star network topology

Tree network topology (all nodes are in the same cluster)

Detailed specifications

1、780m RF index

Parameter name	Range of values	Company	explain
Operating frequency range	769～936	MHz	Step 1m or 0.1MHz
Number of frequency bands	4	个	Chinese WPAN standard: 780mhz
	1	个	EU SRD standard: 868mhz
	10	个	North American ism standard: 915MHz
Frequency interval	2	MHz	Chinese WPAN standard
Transmitting power	-11～+10	dBm	It can be adjusted in 16 steps
Receiving sensitivity	-110	dBm	PER = 1%
Wireless rate	20～1000	kbps	Configure according to network requirements
RF interface impedance	50	Ohm	Single ended unbalanced output

2.4G RF index

Parameter name	Range of values	Company	explain
Operating frequency range	2.4～2.485	MHz	Step 5MHz
Number of frequency bands	16	个
Frequency interval	5	MHz
Transmitting power	-17～+3	dBm	It can be adjusted in 16 steps
Receiving sensitivity	-101	dBm	PER = 1%
Wireless rate	250～2000	kbps	Configure according to network requirements
RF interface impedance	50	Ohm	Single ended unbalanced output

  2.Working power indicator

Parameter name	Range of values	Company	explain
Main power input range	DC 3.6～6	V
Backup battery voltage	3.6～4.2	V	Optional wide temperature or ordinary lithium battery
Back up battery capacity	3500	mAh	Optional wide temperature or ordinary lithium battery
Working supply voltage	3.3	V	Main working voltage
Working current: RX mode	19	mA	Atzgb-780f5, CPU frequency 8MHz
	20	mA	Atzgb-2400f5, CPU frequency 8MHz
Working current: TX mode	35	mA	Atzgb-780f5, CPU frequency 8MHz
	25	mA	Atzgb-2400f5, CPU frequency 8MHz
Dormant current	0.5	uA	RTC off, minimum system
	3	uA	RTC on, minimum system

        Note: all current parameters are subject to external 3.3V power supply

  3、Interface index

Interface name	Interface parameters	Company	explain
UART interface rate	1200～115200	bps	Configuration according to requirements
RS232 / 485 rate	1200～115200	bps	Configuration according to requirements
Constant frequency PWM output	1KHz		Duty cycle 1-100%
Analog input range	0～3	V
Output maximum driving current	20	mA	3.3V level, OD gate

  4、Boundary dimension

Detailed specifications