Shanghai Tangray Info-Tech Co., Ltd

RF Advantages: LoRa spread spectrum modulation technology, enabling long communication distance and very strong interference immunity Ultra-small size, surface mount design, easy to embed Support multiple modulation modes to facilitate network use Support deep custom designs and other special applications Easy to produce, free of RF debugging Support frequency hopping communication (LoRa mode) Support specified node communication and broadcasting communication modes to facilitate customers to Set up the wireless network Support self cycle reset function Support module firmware upgrading Application: AMR Auto Meter Reading, Network Communication, Remote Control, Mine Monitoring, Industrial Control, etc. Parameter: Frequency: 433/470/868/915MHz (¡¡¡ì¡¨¨ 20MHz Provide for setting) Modulation Mode: LoRa/FSK Output Power: 2~20dBm Sensitivity: -139dBm (Max) Data Rate: 1.2~115.2Kbps(Provide for setting) Tx Current: 130mA (+20dBm) Rx Current: 20mA Standby Current: 2|¡¡ì¬A Frequency Deviation: 10~50kHz Receive Bandwidth: 42~166kHz Interface: 8N1/8E1/8O1 TTL UART(Scalable exteriorRS232\RS485) Communication Distance: > 5000m@LoRa Antenna Impedance: 50|¸ Operation Temperature: -20 to +70 Power Supply Mode: DC4.5~5.5V Module Size: 47X26X10mm Certifications: FCC\ETSI\RoHS Hope Microelectronics Company Tel: +86-4001-189-180 Fax: +86-755-82973550 Website: http://www.hoperf.com carton

Application: AMR Auto Meter Reading, Industrial Control System, Wireless Remote Control Equipment, Mining Safety Monitoring, Smart Home, Smart Security, Internet of Things and Other Wireless Devices, etc. RF Advantages: High output power, very good receiver sensitivity, long communication distance Strong interference resistance to meet wireless certification standards Meet the requirements of mainstream wireless applications, high cost-effective No output power reduction at a supply voltage down to 1.8V Parameter: Frequency: 868/915MHz Modulation Mode: FSK/GFSK/OOK Output Power: 20dBm Sensitivity: -123dBm (1.2kb/s in FSK) Data Rate: 300Kbps (FSK mode) Tx Current: 125mA (+20dBm) Rx Current: 9.3mA Standby Current: 0.1|¨¬A Interface: SPI Communication Distance: > 1000m(1.2kb/s) Antenna Impedance: 50|¸ Operation Temperature: -40~+85 Power Supply Mode: DC1.8~3.7V, 1.8VTransmission power Of power supply will not fall Module Size: 16X16mm Certifications: FCC\ETSI\RoHS Hope Microelectronics Company Tel: +86-4001-189-180 Fax: +86-755-82973550 Website: http://www.hoperf.com carton

Wireless Interface RF Modules can be interfaced with R5.0V1 weighing scale PSBs to Make your weighing scale machine wireless .It can Transmit wireless data to a distance of about 100 feet.You can even receive the wireless weight data to your PC for wireless data acquisition .We will provide you free technology support for you to build a complete wireless weighing system .

Modulation mode: GFSK/FSK Working frequency: 433/470/868/915MHz Output power: 10dBm(433/470MHz),5dBm(868/915MHz) Receiving sensitivity: -118dBm(433/470MHz),-116dBm(868/915MHz) Channels: 8/16/32 Transmitting current: 38í+5mA Receiving current: 28í+2mA Sleeping current: 5í+2uA Baud rate: 1,200/2,400/4,800/9,600/19,200bps Interface mode: UART TTL, RS-232 and RS-485 Power supply: DC +3.3 to 5V Working temperature: -25íµ to 75íµ Working humidity: 10% to 90% Dimension: 47 x 26 x 10mm Reliable transmit distance (AT-4 antenna): 800m(433/470MHz),400m(868MHz),300m(915MHz) Communication mode: half-duplex Network topology: point to point and point to multi-point

Modulation mode: GFSK/FSK Working frequency: 433/470/868/915MHz Output power: 10 dBm(433/470MHz) and 5dBm (868/915MHz) Receiving sensitivity: -118dBm (433/470MHz @ 1,200bps), -116dBm (868/915MHz @ 1,200bps) Channel count: 8/16/32 Transmitting current: 38í+2mA Receiving current: 28í+2mA Sleeping current: 5í+2uA Baud rate: 1,200/2,400/4,800/9,600/19,200bps Interface mode: UART TTL/RS-232/RS-485 Power supply: DC +3.3V to 5V Working temperature: -25íµ to 75íµ Working humidity: 10% to 90% Dimension: 47 x 26 x 10mm Reliable transmit distance: 800m (AT-4 antenna 433MHz @ 1,200bps) 800m (AT-4 antenna 470MHz @ 1,200bps) 400m (AT-4 antenna 868MHz @ 1,200bps) 300m (AT-4 antenna 915MHz @ 1,200bps) Network topology: point to point and point to multi-point mode

Modulation mode: GFSK/FSK Frequency: 403/433/470/868/915MHz Output power: 27dBm (500mW) Channels: 8/16/32 Receiving sensitivity: -119dBm (403/433/470MHz @2400bps) -116dBm (868MHz @2400bps) -115dBm (915MHz @2400bps) Transmitting current: 450 to 550mA Receiving current: 32 to 38mA Sleeping current: 5 to 30uA Baud rate: 1,200/2,400/4,800/9,600bps Interface mode: TTL/RS232/RS485 Dimension: 53 x 38x10mm Reliable transmission distance: 2.5KM with AT-14 antenna@4800bps Communication mode: half-duplex.

Modulation mode: GFSK/FSK Working frequency: 420.00í½450.30/860~875/910~925MHz Output power: 17dBm(50mW) Receiving sensitivity: -115 í½ -118dBm Channels: 8/16/32 Transmitting current: í_100mA Receiving current: í_30mA Sleeping current: í_20mA Interface rate: 1,200/2,400/4,800/9,600/19,200bps Interface mode: UART TTL, RS-232 and RS-485 Power supply: DC +3.3 to 5V Working temperature: -25íµ to 80íµ Working humidity: 10% to 90% Dimension: 47 x 26 x 10mm Reliable transmit distance (AT-4 antenna): 1,200m Communication mode: half-duplex Network topology: point to point and point to multi-point.

Modulation mode: GFSK/FSK Working frequency: 433/470MHz Output power: 17dBm(50mW) Receiving sensitivity: -118dBm@1,200bps Channels: 8/16/32 Transmitting current: 90í+5mA Receiving current: 28í+2mA Sleeping current: 5í+2uA Interface rate: 1,200/2,400/4,800/9,600/19,200bps Interface mode: UART TTL, RS-232 and RS-485 Power supply: DC +3.3 to 5V Working temperature: -25íµ to 75íµ Working humidity: 10% to 90% Dimension: 47 x 26 x 10mm Reliable transmit distance (AT-4 antenna): 1,200m@1,200bps with AT-4 antenna Communication mode: half-duplex Network topology: point to point and point to multi-point.