Board-dat/NGS/NGS1095-dat/NGS1095-dat.md
... ...
@@ -9,6 +9,7 @@
9 9
## pin definitions
10 10
11 11
Pin Definitions R2:
12
+
12 13
* U1V_RXD, U1V_TXD: uart1 txd and rxd pin via logic shifter, 5V compliant
13 14
* IO0: GPIO 0
14 15
* VDD: VDD 3.3V from module
... ...
@@ -32,7 +33,7 @@ on module side
32 33
33 34
# reference
34 35
35
-- [[SIM7020-DAT]] - [[SIMCOM-dat/SIMCOM-dat]]
36
+- [[SIM7020-DAT]] - [[SIMCOM-dat]]
36 37
37 38
- [[low-power-dat]]
38 39
Chip-cn-dat/SIMCOM-dat/SIM7020-DAT/2025-01-18-14-36-35.png
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Chip-cn-dat/SIMCOM-dat/SIM7020-DAT/2025-01-18-14-38-04.png
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Chip-cn-dat/SIMCOM-dat/SIM7020-DAT/SIM7020-DAT.md
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@@ -4,6 +4,42 @@
4 4
- [[NBIOT-dat]]
5 5
6 6
7
+## SIM7020E VS SIM7020G
8
+
9
+| bands | SIM7020G@Cat-M | SIM7020G@NBIOT | SIM7020E | SIM7020C |
10
+|-------|----------------|----------------|----------|----------|
11
+| B1 | ✔ | ✔ | ✔ | ✔ |
12
+| B2 | ✔ | ✔ | | |
13
+| B3 | ✔ | ✔ | ✔ | ✔ |
14
+| B4 | ✔ | ✔ | | |
15
+| B5 | ✔ | ✔ | ✔ | ✔ |
16
+| B8 | ✔ | ✔ | ✔ | ✔ |
17
+| B12 | ✔ | ✔ | | |
18
+| B13 | ✔ | ✔ | | |
19
+| B14 | ✔ | ? | | |
20
+| B17 | ? | ? | | |
21
+| B18 | ✔ | ✔ | | |
22
+| B19 | ✔ | ✔ | | |
23
+| B20 | ✔ | ✔ | ✔ | |
24
+| B25 | ✔ | ✔ | | |
25
+| B26 | ✔ | ✔ | | |
26
+| B28 | ✔ | ✔ | ✔ | |
27
+| B66 | ✔ | ✔ | | |
28
+| B70 | ? | ? | | |
29
+| B71 | ? | ✔ | | |
30
+| B85 | ✔ | ✔ | | |
31
+
32
+- [[bands-dat]]
33
+
34
+## hardware diagram
35
+
36
+![](2025-01-18-14-36-35.png)
37
+
38
+## Pin definitions
39
+
40
+![](2025-01-18-14-38-04.png)
41
+
42
+
7 43
## quick setup guide
8 44
9 45
* Please use a USB-serial adapter like CP2102 or FT232RL, connect 5V, GND, VTXD and VRXD.
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@@ -57,16 +93,17 @@ Supported band
57 93
### board ref
58 94
59 95
60
-- [[NGS1095-dat]] - [[NGS1096-dat]] - [[NBIOT-dat]]
96
+- [[NGS1095-dat]] - [[NGS1096-dat]] - [[NBIOT-dat]] - [[BTB-dat]]
61 97
62 98
- [[NGS1094-dat]] - SIM7020E (old version) - life time end
63 99
64 100
- [[SIMCOM-AT-DAT]] - [[SIMCOM-dat]]
65 101
66
-- [[SIM7020]] - [[BTB-dat]]
67
-
68 102
- [[low-power-dat]] - [[SIMCOM-PSM-Dat]]
69 103
104
+- [[SIM7020]]
105
+
106
+
70 107
## doc
71 108
72 109
- [[SIM7020_Series_AT_Command_Manual_V1.00.pdf]]
Chip-cn-dat/SIMCOM-dat/SIM7028-dat/2025-01-18-14-32-56.png
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Chip-cn-dat/SIMCOM-dat/SIM7028-dat/2025-01-18-14-37-42.png
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Chip-cn-dat/SIMCOM-dat/SIM7028-dat/2025-01-18-14-40-49.png
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Chip-cn-dat/SIMCOM-dat/SIM7028-dat/SIM7028-dat.md
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@@ -0,0 +1,38 @@
1
+
2
+# SIM7028-dat
3
+
4
+The SIM7028 module support LTE Category NB2, 2-HARQ. The physical dimension of SIM7028 is 17.6mm×15.7mm×2.3 mm.
5
+
6
+It is designed for applications that need low latency, Low throughput datacommunication in a variety of radio propagation conditions.
7
+
8
+- [[bands-dat]] - [[SIMCOM-size-dat]]
9
+
10
+
11
+
12
+## Diagram
13
+
14
+![](2025-01-18-14-32-56.png)
15
+
16
+## Pin definitions
17
+
18
+![](2025-01-18-14-37-42.png)
19
+
20
+
21
+### Comparison
22
+
23
+compare to [[SIM7020-dat]]
24
+- no I2C, SPI
25
+- USB in progress
26
+- extra IO_1833_sel
27
+
28
+![](2025-01-18-14-40-49.png)
29
+
30
+
31
+
32
+## ref
33
+
34
+- [[SIMCOM-dat]] - [[Cortex-M3-dat]]
35
+
36
+- https://cn.simcom.com/product/SIM7028.html
37
+
38
+
Chip-cn-dat/SIMCOM-dat/SIMCOM-dat.md
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@@ -3,6 +3,7 @@
3 3
4 4
https://www.electrodragon.com/w/Category:SIMCOM#Schematic
5 5
6
+- [[bands-dat]] - [[SIMCOM-size-dat]]
6 7
7 8
## boards
8 9
... ...
@@ -18,6 +19,8 @@ https://www.electrodragon.com/w/Category:SIMCOM#Schematic
18 19
19 20
- [[SIM7020-dat]] - [[NGS1094-dat]] - [[NGS1095-dat]] - [[NGS1096-dat]]
20 21
22
+- [[SIM7028-dat]]
23
+
21 24
- [[SIM7070-dat]]
22 25
23 26
- [[SIM7080-dat]]
Chip-cn-dat/SIMCOM-dat/SIMCOM-size-dat/SIMCOM-size-dat.md
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@@ -0,0 +1,10 @@
1
+
2
+# SIMCOM-size-dat
3
+
4
+| model | L | W |
5
+| ---------------- | ---- | ---- |
6
+| [[SIM7020G-dat]] | 17.6 | 15.7 |
7
+| [[SIM7028-dat]] | 17.6 | 15.7 |
8
+| [[SIM868-dat]] | | |
9
+| | | |
10
+| | | |
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\ No newline at end of file
Tech-dat/Network-dat/bands-dat/bands-dat.md
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@@ -0,0 +1,28 @@
1
+
2
+# bands-dat
3
+
4
+
5
+- [[SIM7020-dat]] - [[SIM7028-dat]]
6
+
7
+| bands | | SIM7020G@Cat-M | SIM7020G@NBIOT | SIM7020E | SIM7020C |
8
+| ----- | --- | -------------- | -------------- | -------- | -------- |
9
+| B1 | ✔ | ✔ | ✔ | ✔ | ✔ |
10
+| B2 | ✔ | ✔ | ✔ | | |
11
+| B3 | ✔ | ✔ | ✔ | ✔ | ✔ |
12
+| B4 | ✔ | ✔ | ✔ | | |
13
+| B5 | ✔ | ✔ | ✔ | ✔ | ✔ |
14
+| B8 | ✔ | ✔ | ✔ | ✔ | ✔ |
15
+| B12 | ✔ | ✔ | ✔ | | |
16
+| B13 | ✔ | ✔ | ✔ | | |
17
+| B14 | ✔ | ✔ | ? | | |
18
+| B17 | ✔ | ? | ? | | |
19
+| B18 | ✔ | ✔ | ✔ | | |
20
+| B19 | ✔ | ✔ | ✔ | | |
21
+| B20 | ✔ | ✔ | ✔ | ✔ | |
22
+| B25 | ✔ | ✔ | ✔ | | |
23
+| B26 | ✔ | ✔ | ✔ | | |
24
+| B28 | ✔ | ✔ | ✔ | ✔ | |
25
+| B66 | ✔ | ✔ | ✔ | | |
26
+| B70 | ✔ | ? | ? | | |
27
+| B71 | | ? | ✔ | | |
28
+| B85 | ✔ | ✔ | ✔ | | |
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\ No newline at end of file
Tech-dat/Network-dat/nbiot-dat/nbiot-dat.md
... ...
@@ -1,6 +1,23 @@
1 1
2 2
# nbiot-dat
3 3
4
+## CAT-M1 vs. NBIOT
5
+
6
+| Feature | **Cat-M1 (LTE-M)** | **NB-IoT** |
7
+| --------------------- | --------------------------------------------- | ----------------------------------------------- |
8
+| **Bandwidth** | 1.4 MHz | 200 kHz |
9
+| **Data Speed** | Up to 1 Mbps | Up to 250 kbps |
10
+| **Latency** | 50–100 ms | 1–10 seconds |
11
+| **Use Cases** | Wearables, smart meters, asset tracking | Smart sensors, environmental monitoring |
12
+| **Frequency Bands** | B1, B3, B5, B8, B20, B28 (and more) | B3, B5, B8, B20, B28 (and some guard bands) |
13
+| **Power Consumption** | Low, but higher than NB-IoT | Extremely low power consumption |
14
+| **Mobility Support** | Yes, supports mobility | No, designed for stationary devices |
15
+| **Global Coverage** | Broad, supports a wide range of LTE bands | Narrower, depends on supported bands |
16
+| **Data Transmission** | Suitable for moderate data transfer | Ideal for small, infrequent transmissions |
17
+| **Best For** | Applications needing moderate data & mobility | Large-scale IoT deployments with low data needs |
18
+
19
+
20
+
4 21
[[SIM7020-dat]]
5 22
6 23
- [[NGS1096-dat]]