SNM401 ad hoc network module 自组网模块规格书
Ukucaciswa kwemojula yenethiwekhi ye-SNM401 Ad Hoc
1、产品描述
SNM401无中心自组网模块实现了各模块相互之间的无中心远距离通信，Thola ubuchwepheshe bakamuva bekhodekhi be-LDPC emhlabeni，Uma kuqhathaniswa nekhodi yokuguqula ehlanganisiwe ye-RS esetshenziswa iziteshi zomsakazo ezivamile, ingaba nenzuzo yokubhala ikhodi engu-5dB.，Ngesikhathi esifanayo ngokusebenzisa "self-relay yokuxhumana wireless" ubuchwepheshe，Bona ngokuzenzakalelayo ukudluliselwa okuzenzakalelayo phakathi kwamamojula，Ngakho-ke kuthuthukisa kakhulu umphumela wokuhlanganisa kanye nebanga lokudlulisela。I-SNM401 isebenzisa ubuchwepheshe bokuxhumana obungenantambo benethiwekhi ye-ad hoc，Noma iyiphi i-node ingathola futhi icubungule isignali efanayo edluliswa ama-node amaningi ngesikhathi esisodwa，Hlanganisa lawa masiginali adluliselwe kumanodi ahlukene，Hlukanisa ulwazi lwangempela ngangokunokwenzeka，Ngebanga elikhudlwana lokudlulisela kanye nokuthembeka okuphezulu kokudlulisela。Ubuchwepheshe bokuxhumana obungenantambo be-Ad Hoc abudingi umzila，Amanodi amaningi anquma ngokuzenzakalelayo ukuthi aqale yini ukudlulisela phambili ngokusekelwe kukhwalithi yesiginali eyamukelwe namandla enkundla，Thuthukisa i-relay isuke ku-multi-hop single-point relay ukuya ku-multi-hop multi-point relay，Nyusa i-trunk kusuka ku-wire trunk kuya ku-mesh trunk，Uma noma iyiphi i-node kunethiwekhi edluliswayo inqanyulwa kunethiwekhi，Eminye imigqa ye-trunk kunethiwekhi ye-trunk isebenza ngokujwayelekile，Yenza umphumela wokudlulisela ungathinteki。
2、产品特点
◆工作频率：400-500MHz
◆单跳传输距离：3～5Km
◆动态拓扑收敛：1 Amasekhondi amancane
◆发射功率：1W
◆接收灵敏度：-127dBm
◆工作电压：3.5-4.5V
◆信噪比门限：1dB
◆信道间隔：12.5kHz
◆频率稳定度：1ppm
◆互调：65dB
◆加密：256AES
◆杂散响应抗扰性：75dB
◆邻道选择性：65[email protected]
◆工作温度：-40～+85℃
◆模块尺寸：33.5X42X3.4mm
3、Inkambu yohlelo lokusebenza
◆物联网 ◆单兵系统 ◆应急广播
◆无人机 ◆实时远程控制 ◆数字对讲
◆应急通信 ◆机器人 ◆无线数据传输
4、工作参数
表一：工作参数表
| 参数 | 条件 | 最小 | 典型 | 最大 | 单位 |
| Imvamisa yokusebenza | 400 | 500 | MHz | ||
| Izinga lokushisa lokusebenza | -40 | 25 | +85 | ℃ | |
| Operating Voltage | 3.5 | 4 | 4.5 | V | |
| Dlulisa amandla | 30 | dBm | |||
| Ukuthola ukuzwela | -130 | -127 | -125 | dBm | |
| 最大射频输入功率 | +33 | dBm | |||
| 串口波特率 | 115200 | bps | |||
| 休眠电流 | @ EN=0 | 40 | uA | ||
| 接收电流 | 160 | MA | |||
| 发射瞬时电流 | @VCC==4V，1W | 1800 | MA | ||
| 发射平均电流 | @VCC==4V，1W | 600 | MA | ||
| 音频输入电压 | 1.5 | VPP | |||
| 音频输出阻抗 | 150 | Ohm |
注：如果模块工作条件超过上述各项极限值，可能对模块造成永久性损坏。
5、模块引脚及定义
图 1 SNM401 引脚图
表 2 类型缩写表
| 缩写 | 描述 |
| AI | Analog input |
| AO | Analog output |
| AIO | Analog bi-direction |
| DI | Digital input |
| DO | Digital output |
| DIO | Digital bi-direction |
| P | Power |
| G | Phansi |
表 3 SNM401引脚定义
| Pin NO | Pin name | Uhlobo | incazelo |
| 1 | GND | G | GND |
| 2 | ANT | AIO | 天线口 |
| 3 | GND | G | GND |
| 4 | GND | G | GND |
| 5 | V-BAT | P | 外接 3.5V-4.5V 电池或电源，建议 4V |
| 6 | V-BAT | P | |
| 7 | GND | G | GND |
| 8 | GND | G | GND |
| 9 | TX_STATE | DO | 模块发射指示信号，高电平为发射 |
| 10 | RX_STATE | DO | 模块接收指示信号，高电平为接收 |
| 11 | NC | No connect | |
| 12 | NC | No connect | |
| 13 | GND | G | GND |
| 14 | I-TXD | DO | 串口数据发射脚 |
| 15 | I-RXD | DI | 串口数据接收脚 |
| 16 | SET | DI | 模块串口配置信号，高电平时配置参数，低电平时收发数据 |
| 17 | EN | DI | 模块开启使能信号，高电平开启，低电平关闭 |
| 18 | GND | G | GND |
| 19 | PRO1 | DIO | 可编程定义管脚 |
| 20 | PRO2 | DIO | 可编程定义管脚 |
注：模块内部经过 3.3V LDO 稳压，所有的数字 IO 均为 3.3V 电平。
6、封装尺寸
图 2 SNM401 尺寸图
图 3 SNM401 封装图
7、LAYOUT 注意事项
1、SNM401 模块工作在 400-500MHz，应避免各种因素对无线收发的影响。
2、模块下方铺大片 GND，走线尽量往外围延伸。
3、建议在基板上的模块贴装位置使用绝缘材料进行隔离，例如在该位置放一个整块的丝
印。
4、尽量走一条短而粗电源线给模块，推荐铜线宽度80mil，去耦电容尽量靠近电源引脚放置。
8、软件配置
8.1 参数配置
用户可通过串口进行参数获取配置，串口波特率 115200，数据位 8bit，停止位 1bit，无奇偶校验位。
表 4 串口包格式
| 串口表格包 | |||
| 识别字 | 长度 | 指令 | 指令回复/回复内容 |
| 1Byte | 1Byte | 1Byte | NBytte |
8.1.1 识别字
识别字固定为 0x68。
8.1.2 长度
长度 = 指令 + 指令内容/回复内容。
8.1.3 指令
表 5 串口指令表
| 功能 | 指令 | 指令内容 | 回复内容 |
| 获取射频参数 | 0x00 | 无 | imvamisa(4Byte)+amandla(1Byte)+配置 状态(1Byte)+底噪(2Byte)+基带 版本号(1Byte) |
| 设置射频参数 | 0x01 | imvamisa(4Byte)+amandla(1Byte) | 无 |
| 获取数据中继等级 | 0x0C | 无 | 数据中继等级(1Byte) |
| 设置数据中继等级 | 0x0D | 数据中继等级(1Byte) | 无 |
| 获取密钥 | 0x0E | 无 | 密钥(32Byte) |
| 设置密钥 | 0x0F | 密钥(32Byte) | 无 |
| 获取模块版本 | 0x12 | 无 | 模块名称+版本号 |
| 模块就绪 | 0x55 | 无 | 无 |
| 保存配置 | 0x66 | 无 | 无 |
| 数据接收 | 0xA2 | 无 | 透传数据(NByte) |
| 数据发送 | 0xB2 | 透传数据(NByte) | 无 |
8.1.4.1 获取射频参数
imvamisa：单位为 Hz，设置范围为 400000000~5000000000，精度为 500HHz。
amandla：1-高功率 1W，0-低功率 0.5W，默认为高功率 1W。
配置状态：指示射频配置状态，0-未初始化，1-配置中，2-配置成功。
底噪：指示当前频率噪声强度，只有当配置状态为 2 时才有意义。
基带版本号：高 4bit 代表主版本号，低 4bit 代表次版本号。
配置包：0x68 0x01 0x00
返回包：0x68 0x0A 0x00 频率 功率 配置状态 底噪 基带版本号
8.1.4.2 设置射频参数
配置射频参数后，须等待配置成功后（约 2 秒），模块才能正确进入设定工作状态。
配置包：0x68 0x06 0x01 频率 功率
返回包：0x68 0x01 0x01
8.1.4.3 获取数据中继等级
SH无中心自组网技术是同播网状中继方式，不需要路由，可大幅度提高覆盖范围。中继跳数 N 是指在数据传输时可以进行中继的跳数，最大中继跳数为 16。每增加一跳，传输距离会增加一倍，但传输时间会相应增加，如下表所示。
表 6 中继等级比较
| 中继跳数 | 传输字节数 | 传输时间 |
| N | <36 | N*50ms |
| N | 37-72 | N*100ms |
| N | 73-108 | N*150ms |
| N | 109-144 | N*200ms |
| N | 145-180 | N*250ms |
| N | 181-216 | N*300ms |
| N | 217-252 | N*350ms |
| N | 253-288 | N*400ms |
返回包：0x68 0x02 0x0C 数据中继等级
8.1.4.4 设置数据中继等级
配置包：0x68 0x02 0x0D 数据中继等级
返回包：0x68 0x01 0x0D
8.1.4.5 获取密钥
密钥用于通信加密，模块将自动丢弃密钥与自身密钥不一致的语音信息、数据信息，密钥默认为全 0。
配置包：0x68 0x01 0x0E
返回包：0x68 0x21 0x0E 密钥
8.1.4.6 设置密钥
配置包：0x68 0x21 0x0F 密钥
返回包：0x68 0x01 0x0F
8.1.4.7 获取模块版本
配置包：0x68 0x01 0x12
返回包：0x68 0x15 0x12 0x53 0x69 0x6D 0x75 0x6C 0x48 0x6F 0x63 0x32 0x36 0x31 0x38 0x5F 0x56 0x31 0x2E 0x30 0x2E 0x30 0x00 即“SimulHoc2618_V1.0.0”
8.1.4.8 模块就绪
指令将在设备上电初始化完成后自动发送，指示设备已就绪。
返回包：0x68 0x01 0x55
8.1.4.9 保存配置
指令将所有设置保存至 Flash，重上电后将直接使用已保存配置。
配置包：0x68 0x01 0x66
返回包：0x68 0x01 0x66
8.1.4.10 数据接收
当 SET 引脚为低电平时，模块将接收到的数据包直接透传给用户。长度根据实际透传数据长度变化。
返回包：0x68 长度 0xA2 透传数据
8.1.4.11 数据发送
当 SET 引脚为低电平时，才能进行数据发送，单次发送数据不超过 36 字节。长度根据实际透际透传数据长度变化。若收到返回包，表明本次数据发送失败。
配置包：0x68 长度 0xB2 透传数据
返回包：0x68 0x01 0xB
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Transmission Ibanga
I-Flight Control Protocol
Okokufaka kwevidiyo ye-Transmitter
Indlela Yokudlulisa Okungenantambo
Isithiyo kanye Nokubona
Bethela futhi ukhiphe ukubethela
Inkampani yenethiwekhi yokudlulisa
Idatha Direction
Antenna
FAQs mayelana Wireless Video Transmitter kanye Receiver
Izithutha zethu zevidiyo ezingenazintambo zinalezi zinhlobo zezixhumanisi zokufakwayo kwevidiyo: I-HDMI 1080P ne-4K HDMI, Inhlanganisela ye-CVBS, SDI, I-AHD, IP Ethernet, BNC, noma usitshele ukuthi udinga luphi uhlobo, unjiniyela wethu uzolungisa ukuze ahlangabezane nesidingo sakho.
Ibanga lethu lokudlulisela lingalungiswa ngokungeza izikhulisamandla. Okwamanje, okuyizona eziyinhloko 15km, 30km, 50km, 80km, 100km , futhi 150km, okuncike ezidingweni zamakhasimende.
Kunjalo, amabanga okudlulisela abalwe ngenhla wonke angaphakathi LOS ububanzi bomugqa wokubona. Uma kukhona izithiyo phakathi komthumeli nomamukeli, NLOS (okungewona umugqa wokubona), ibanga lokudlulisela liyancipha kakhulu, 1km noma 2km kuphela, kuye ngenani lezithiyo ezimaphakathi nendawo yendawo engenazintambo.
Indlela eyodwa kusho, Singadlulisela futhi sidawunilode ividiyo noma idatha kusuka kusihambisi sevidiyo esingenantambo siye kumamukeli ngendlela eyodwa, futhi asikwazi ukulayisha ividiyo noma idatha esuka kumamukeli iye kumthumeli. Lolu hlobo lubizwa nangokuthi i-simplex.
Izindlela ezimbili kusho lokho, hhayi kuphela ukuthi singadawuniloda ividiyo noma idatha kusuka kusidlulisi esingenantambo siye kumamukeli, kodwa futhi singalayisha ividiyo noma idatha kusuka kumamukeli kuye kusidlulisi. Lokhu kulungele kakhulu ukusebenzisa ama-drones. Awukwazi ukubona kuphela ividiyo yesikhathi sangempela edluliselwa kusuka ku-drone, kodwa futhi layisha umyalo wokulawula i-drone noma umyalo wokulawula ikhamera ye-PTZ ukuze ulungise i-engeli kusidluliseli.. Lokhu kungasebenza kanyekanye. Lolu hlobo luphinde lwaqanjwa ngokuthi i-half-dulpex noma i-full-duplex.
Sicela uhlole imininingwane kulesi sixhumanisi esingezansi. https://ivcan.com/request-a-quote-of-wireless-video-transmission/#simplex
Ama-transmitter amaningi wevidiyo angenantambo manje ayasekela I-AES128 noma i-AES256 bit encryption kanye nokuqaqwa, kuye ngokuthi iyiphi imodeli oyikhethayo. Sicela usithinte ukuze uqinisekise.
Amafrikhwensi akho kokubili isidlulisi sevidiyo esingenantambo kanye nesamukeli sevidiyo esingenantambo kungashintshwa. Abasebenzisi badinga ukuthenga amabhodi okumisa amapharamitha engeziwe.
Nokho, uma kucatshangelwa ukuthi isikhulisi samandla esihambisanayo kanye nothiyo sekuvele kulungisiwe phakathi kwebanga elithile lapho izimpahla zithunyelwa.. Uma umsebenzisi elungisa imvamisa yesithumeli, okuhambisanayo i-amplifier yamandla, I-antenna ehambisayo kanye ne-receiver antenna kufanele futhi kulungiswe kufrikhwensi efanayo, futhi laba basebenzisi badinga ukulungiswa. Uma kungenjalo, kuzokwenza ukuthi imvamisa yesidlulisi sevidiyo esingenantambo sihluke kumafrikhwensi wothi, ukwenza ukwamukela kube nzima. Ngakho-ke sicela uqiniseke ukuthi wazisa imvamisa efanele oyidingayo ngaphambi kokufaka i-oda.
Uma kungokokuphepha noma ukugcinwa kuyimfihlo, ungakwazi sebenzisa i-encryption kanye ne-decryption imisebenzi ye-transmitter nomamukeli, okungaqinisekisa ukuthi ukudluliswa kwevidiyo yakho kuyimfihlo. .
Yebo, wonke umkhiqizo wethu amapharamitha kungenziwa egcizelele ngokwezidingo zekhasimende. Uma unesicelo esikhethekile, sicela usazise ngesixhumanisi esingezansi.
https://ivcan.com/request-a-quote-of-wireless-video-transmission/
- Shintsha indawo yomamukeli ukugwema ukuphazamiseka kwendawo okungaba khona ezindaweni eziqinile kazibuthe.
- Qinisekisa ukuthi izinti zivuliwe kokubili isidlulisi nomamukeli kume mpo.
- Sicela uphakamise izinti zesithumeli nomamukeli ku gcina umehluko othile wobude.
- Sicela ubheke nxazonke ukuze uqinisekise lokho azikho izithiyo phakathi komthumeli nomamukeli.
- Shintsha umumo yothi lomamukeli.
- Uma kungasebenzi, zama ukuhambisa umamukeli ukuze abe seduze nendawo yesithumeli ukuze ubone ukuthi iyaleqa yini ibanga lokudlulisa okungenantambo elisebenzayo.
- Noma cabanga ukwengeza i-relay yokudlulisa phakathi komthumeli nomamukeli.
- I-antenna kufanele ibe phezulu ukusuka phansi ngangokunokwenzeka, njengoba umhlabathi uzomunca isignali edlulisiwe.
Kunjalo, siyaqonda futhi ukuthi ama-transmitters adlulisa amavidiyo angenantambo kanye nabamukeli kubiza kakhulu. Ukude nemboni yaseChina. futhi ngithemba ukuthi izimpahla ozitholayo zikufanele ukusebenza kahle kakhulu.
Uma unaka ngokukhethekile ipharamitha ethile noma umsebenzi, singathatha amavidiyo athile okuhlola ngokusekelwe kuzici ofuna ukuzibona, sicela ukhululeke ukuxhumana nathi. Ngeke ithunyelwe kuwe ngqo ngaphandle kwemvume yakho.
Ukuhlola ukubambezeleka kwesidlulisi sevidiyo esingenantambo nomamukeli, sidinga ukwenza izivivinyo ezimbili.
Okokuqala ukuhlola ukubambezeleka ukusuka kukhamera kuya kusibonisi.
Eyesibili ikhamera, kanye nesibonisi kanye nesidlulisi sesithombe esingenantambo kanye nokubambezeleka komamukeli.
Ukukhipha imiphumela yokuhlolwa emibili ukubambezeleka kwangempela kwesidlulisi sevidiyo esingenantambo nomamukeli.
Njengomhlinzeki wevidiyo ochwepheshe webanga elide le-HDMI kanye nomamukeli nomkhiqizi e-China Shenzhen, sikhiqiza i-wireless video transmitter engcono kakhulu nomamukeli iminyaka eminingi, futhi sinedumela elihle nezibuyekezo ezinhle kakhulu.
Ezinye izinhlobo ezidumile zama-wireless video transmitters, njengeBlackmagic, I-Holyland Mars 300 400s, I-Accoon cine eye 5g, I-RavenEye, Zhiyun, Inkee benbox, actiontec, I-CVW SWIFT 800, dahua, iogear, I-Artek pat-225k, i-microlite, gwinya, teradec.
Ibhajethi ehamba phambili yokusakaza ividiyo engenantambo kanye nomamukeli banezinhlelo zokusebenza eziningi, nge 4K tv, Ikhamera yokuphepha ye-CCTV, ikhamera yokusekelayo yemoto, Ikhithi yekhamera yevidiyo ye-PTZ, amandla ebhethri, ikhompuyutha, ikhamera ye-sony, uhlelo lwenkomfa yevidiyo ye-wifi, I-CanON DSLR, I-drone ye-UAV, pc ikhompyutha ephathekayo, umshini wokudlala, yemoto, I-iPhone iPad, ukusakaza bukhoma, Ikhamera yezemidlalo ye-GoPro, amajikijolo pi, Xbox.
Ividiyo ye-HD ephelele, alalelwayo, isixhumanisi sedatha esincane kunazo zonke i-1080P yevidiyo engenantambo futhi umamukeli unezixhumi eziningi zokufaka nezikhiphayo, njenge-AV eyinhlanganisela ye-CVBS, HDMI, SDI, BNC, VGA, USB.
Imvamisa ye-TX RX yomthumeli wevidiyo engenantambo ine-170-806Mhz, 1.2ghz, 2.4G, 5.8G, Ukubambezeleka okuphansi kodwa hhayi ku-zero. Ukuze usekele amabanga amade, i-amplifier yamandla ine-10w, 20Watts, futhi ngisho 30W.
Isiphi isidluliseli sevidiyo esingenantambo se-FHD esingcono kakhulu ngentengo eshibhile? Kufanele icabangele imfuneko yemininingwane yakho, khetha ngokufanele, akubizi, uma unokungabaza, Ngiyacela gcwalisa i cela i-quote ifomu, unjiniyela wethu uzokunikeza isixazululo.
Isikhulisi Samandla sakamuva esingu-2W 27 I-KM yebanga elide i-wireless video receiver receiver live demo image data link transmission in 2022
Ukuze sibonise kangcono amakhasimende ethu ibanga langempela lokusekela futhi sisebenzise umphumela we-2W PA 30km yokudlulisa isithombe sebanga elide nesitholi., senze isivivinyo sangempela muva nje futhi sathola i-Meisha Peak, ukusuka lapha ukuya ogwini lolwandle lwaseNan’ao, Ibanga 27 amakhilomitha. Lokhu [...]
Funda kabanziFeb
Isidlulisi sevidiyo esisha esingenawaya esinebanga elide kanye nesitholi sekhamera ye-drone 110km 10W PA isixhumanisi somsindo wedatha yevidiyo engenantambo ukuhlolwa kwangempela
110I-km yokuhlola ividiyo yesidlulisi sevidiyo esingenawaya nesamukeli sekhamera yevidiyo ye-drone Kungani sifuna ukwenza lokhu kuhlolwa kwebanga elide elingu-110km kulokhu? Amanye amaklayenti angibuza ibanga elide kakhulu le-transmitter yevidiyo engenantambo nomamukeli, manje sincome le modeli ye-10W Power Amplifier, [...]
Funda kabanziOct
Isidlulisi Somsindo Sevidiyo Engenantambo Yakamuva Nevidiyo Yokuhlola Isamukeli 2022
I-Wireless Video Data Audio Transmitter kanye ne-Receiver TX900 2 Ividiyo yokuhlola ye-Watts 27km ukusuka esiqongweni sentaba ukuya ogwini lolwandle. (Ividiyo ngaphakathi) I-Wireless Video Data Audio Transmitter kanye ne-Receiver, Izindlela ezimbili, Landa-Layisha Ikhasimende libone ividiyo yethu yokuhlola yangempela mayelana ne 2 i-watts Power Amplifier 27km isidlulisi sevidiyo esingenantambo sebanga elide nomamukeli. Yena [...]
Funda kabanziSep
60-80 km, ukuhlolwa okundizayo kwe-wireless video transmitter
Ngempela ukuhlolwa kwendiza ye-drone ye 60-80 km isidlulisi sevidiyo esingenawaya esidlulisa isidlulisi sevidiyo Lesi yisidlulisi sevidiyo nesamukeli samakhamera we-drone UAV, okuhle kakhulu ku 2023, futhi inezibuyekezo eziningi ezigculisayo. Iphinde isekele phansi phansi, uma unephrojekthi edinga isidlulisi sevidiyo [...]
Funda kabanziOct